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<div class="header">
  <div class="headertitle"><div class="title">gtest-death-test.cc</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">// Copyright 2005, Google Inc.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">// All rights reserved.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">//</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">// Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">// modification, are permitted provided that the following conditions are</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment">// met:</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">//</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment">//     * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">// notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">//     * Redistributions in binary form must reproduce the above</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment">// copyright notice, this list of conditions and the following disclaimer</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">// in the documentation and/or other materials provided with the</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment">// distribution.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">//     * Neither the name of Google Inc. nor the names of its</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">// contributors may be used to endorse or promote products derived from</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment">// this software without specific prior written permission.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">//</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">//</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">// This file implements death tests.</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;gtest/gtest-death-test.h&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &quot;gtest/internal/custom/gtest.h&quot;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &quot;gtest/internal/gtest-port.h&quot;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#if GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#if GTEST_OS_MAC</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="preprocessor">#include &lt;crt_externs.h&gt;</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_MAC</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="preprocessor">#include &lt;fcntl.h&gt;</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="preprocessor">#include &lt;limits.h&gt;</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="preprocessor">#if GTEST_OS_LINUX</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="preprocessor">#include &lt;signal.h&gt;</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_LINUX</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="preprocessor">#include &lt;stdarg.h&gt;</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="preprocessor">#include &lt;windows.h&gt;</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="preprocessor">#include &lt;sys/mman.h&gt;</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="preprocessor">#include &lt;sys/wait.h&gt;</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="preprocessor">#if GTEST_OS_QNX</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="preprocessor">#include &lt;spawn.h&gt;</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_QNX</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="preprocessor">#if GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="preprocessor">#include &lt;lib/fdio/fd.h&gt;</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">#include &lt;lib/fdio/io.h&gt;</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="preprocessor">#include &lt;lib/fdio/spawn.h&gt;</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="preprocessor">#include &lt;lib/zx/channel.h&gt;</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="preprocessor">#include &lt;lib/zx/port.h&gt;</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="preprocessor">#include &lt;lib/zx/process.h&gt;</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">#include &lt;lib/zx/socket.h&gt;</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="preprocessor">#include &lt;zircon/processargs.h&gt;</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="preprocessor">#include &lt;zircon/syscalls.h&gt;</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="preprocessor">#include &lt;zircon/syscalls/policy.h&gt;</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="preprocessor">#include &lt;zircon/syscalls/port.h&gt;</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="preprocessor">#include &quot;gtest/gtest-message.h&quot;</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="preprocessor">#include &quot;gtest/internal/gtest-string.h&quot;</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="preprocessor">#include &quot;src/gtest-internal-inl.h&quot;</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="keyword">namespace </span>testing {</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">// Constants.</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment">// The default death test style.</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">//</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">// This is defined in internal/gtest-port.h as &quot;fast&quot;, but can be overridden by</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment">// a definition in internal/custom/gtest-port.h. The recommended value, which is</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">// used internally at Google, is &quot;threadsafe&quot;.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDefaultDeathTestStyle[] = GTEST_DEFAULT_DEATH_TEST_STYLE;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>}  <span class="comment">// namespace testing</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>GTEST_DEFINE_string_(</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    death_test_style,</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    testing::internal::StringFromGTestEnv(<span class="stringliteral">&quot;death_test_style&quot;</span>,</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>                                          testing::kDefaultDeathTestStyle),</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    <span class="stringliteral">&quot;Indicates how to run a death test in a forked child process: &quot;</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    <span class="stringliteral">&quot;\&quot;threadsafe\&quot; (child process re-executes the test binary &quot;</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    <span class="stringliteral">&quot;from the beginning, running only the specific death test) or &quot;</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>    <span class="stringliteral">&quot;\&quot;fast\&quot; (child process runs the death test immediately &quot;</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    <span class="stringliteral">&quot;after forking).&quot;</span>);</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>GTEST_DEFINE_bool_(</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>    death_test_use_fork,</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>    testing::internal::BoolFromGTestEnv(<span class="stringliteral">&quot;death_test_use_fork&quot;</span>, <span class="keyword">false</span>),</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>    <span class="stringliteral">&quot;Instructs to use fork()/_exit() instead of clone() in death tests. &quot;</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>    <span class="stringliteral">&quot;Ignored and always uses fork() on POSIX systems where clone() is not &quot;</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    <span class="stringliteral">&quot;implemented. Useful when running under valgrind or similar tools if &quot;</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    <span class="stringliteral">&quot;those do not support clone(). Valgrind 3.3.1 will just fail if &quot;</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    <span class="stringliteral">&quot;it sees an unsupported combination of clone() flags. &quot;</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    <span class="stringliteral">&quot;It is not recommended to use this flag w/o valgrind though it will &quot;</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    <span class="stringliteral">&quot;work in 99% of the cases. Once valgrind is fixed, this flag will &quot;</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    <span class="stringliteral">&quot;most likely be removed.&quot;</span>);</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>GTEST_DEFINE_string_(</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    internal_run_death_test, <span class="stringliteral">&quot;&quot;</span>,</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    <span class="stringliteral">&quot;Indicates the file, line number, temporal index of &quot;</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    <span class="stringliteral">&quot;the single death test to run, and a file descriptor to &quot;</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    <span class="stringliteral">&quot;which a success code may be sent, all separated by &quot;</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    <span class="stringliteral">&quot;the &#39;|&#39; characters.  This flag is specified if and only if the &quot;</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    <span class="stringliteral">&quot;current process is a sub-process launched for running a thread-safe &quot;</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>    <span class="stringliteral">&quot;death test.  FOR INTERNAL USE ONLY.&quot;</span>);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="keyword">namespace </span>testing {</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="preprocessor">#if GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="keyword">namespace </span>internal {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">// Valid only for fast death tests. Indicates the code is running in the</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">// child process of a fast style death test.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="preprocessor">#if !GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="keyword">static</span> <span class="keywordtype">bool</span> g_in_fast_death_test_child = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">// Returns a Boolean value indicating whether the caller is currently</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">// executing in the context of the death test child process.  Tools such as</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">// Valgrind heap checkers may need this to modify their behavior in death</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">// tests.  IMPORTANT: This is an internal utility.  Using it may break the</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">// implementation of death tests.  User code MUST NOT use it.</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="keywordtype">bool</span> InDeathTestChild() {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="preprocessor">#if GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>  <span class="comment">// On Windows and Fuchsia, death tests are thread-safe regardless of the value</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>  <span class="comment">// of the death_test_style flag.</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>  <span class="keywordflow">return</span> !GTEST_FLAG_GET(internal_run_death_test).empty();</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>  <span class="keywordflow">if</span> (GTEST_FLAG_GET(death_test_style) == <span class="stringliteral">&quot;threadsafe&quot;</span>)</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>    <span class="keywordflow">return</span> !GTEST_FLAG_GET(internal_run_death_test).empty();</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>  <span class="keywordflow">else</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    <span class="keywordflow">return</span> g_in_fast_death_test_child;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>}</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>}  <span class="comment">// namespace internal</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">// ExitedWithCode constructor.</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>ExitedWithCode::ExitedWithCode(<span class="keywordtype">int</span> exit_code) : exit_code_(exit_code) {}</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">// ExitedWithCode function-call operator.</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="keywordtype">bool</span> ExitedWithCode::operator()(<span class="keywordtype">int</span> exit_status)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="preprocessor">#if GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>  <span class="keywordflow">return</span> exit_status == exit_code_;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>  <span class="keywordflow">return</span> WIFEXITED(exit_status) &amp;&amp; WEXITSTATUS(exit_status) == exit_code_;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>}</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span> </div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="preprocessor">#if !GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="comment">// KilledBySignal constructor.</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>KilledBySignal::KilledBySignal(<span class="keywordtype">int</span> signum) : signum_(signum) {}</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">// KilledBySignal function-call operator.</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="keywordtype">bool</span> KilledBySignal::operator()(<span class="keywordtype">int</span> exit_status)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="preprocessor">#if defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_)</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>  {</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>    <span class="keywordtype">bool</span> result;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    <span class="keywordflow">if</span> (GTEST_KILLED_BY_SIGNAL_OVERRIDE_(signum_, exit_status, &amp;result)) {</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>      <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>    }</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>  }</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="preprocessor">#endif  </span><span class="comment">// defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_)</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>  <span class="keywordflow">return</span> WIFSIGNALED(exit_status) &amp;&amp; WTERMSIG(exit_status) == signum_;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>}</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="preprocessor">#endif  </span><span class="comment">// !GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="keyword">namespace </span>internal {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">// Utilities needed for death tests.</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">// Generates a textual description of a given exit code, in the format</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">// specified by wait(2).</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="keyword">static</span> std::string ExitSummary(<span class="keywordtype">int</span> exit_code) {</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>  Message m;</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="preprocessor">#if GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>  m &lt;&lt; <span class="stringliteral">&quot;Exited with exit status &quot;</span> &lt;&lt; exit_code;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>  <span class="keywordflow">if</span> (WIFEXITED(exit_code)) {</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>    m &lt;&lt; <span class="stringliteral">&quot;Exited with exit status &quot;</span> &lt;&lt; WEXITSTATUS(exit_code);</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (WIFSIGNALED(exit_code)) {</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    m &lt;&lt; <span class="stringliteral">&quot;Terminated by signal &quot;</span> &lt;&lt; WTERMSIG(exit_code);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>  }</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="preprocessor">#ifdef WCOREDUMP</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>  <span class="keywordflow">if</span> (WCOREDUMP(exit_code)) {</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    m &lt;&lt; <span class="stringliteral">&quot; (core dumped)&quot;</span>;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>  }</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>  <span class="keywordflow">return</span> m.GetString();</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>}</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment">// Returns true if exit_status describes a process that was terminated</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">// by a signal, or exited normally with a nonzero exit code.</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="keywordtype">bool</span> ExitedUnsuccessfully(<span class="keywordtype">int</span> exit_status) {</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>  <span class="keywordflow">return</span> !ExitedWithCode(0)(exit_status);</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>}</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span> </div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="preprocessor">#if !GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="comment">// Generates a textual failure message when a death test finds more than</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="comment">// one thread running, or cannot determine the number of threads, prior</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="comment">// to executing the given statement.  It is the responsibility of the</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment">// caller not to pass a thread_count of 1.</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="keyword">static</span> std::string DeathTestThreadWarning(<span class="keywordtype">size_t</span> thread_count) {</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>  Message msg;</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  msg &lt;&lt; <span class="stringliteral">&quot;Death tests use fork(), which is unsafe particularly&quot;</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>      &lt;&lt; <span class="stringliteral">&quot; in a threaded context. For this test, &quot;</span> &lt;&lt; GTEST_NAME_ &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>  <span class="keywordflow">if</span> (thread_count == 0) {</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>    msg &lt;&lt; <span class="stringliteral">&quot;couldn&#39;t detect the number of threads.&quot;</span>;</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>    msg &lt;&lt; <span class="stringliteral">&quot;detected &quot;</span> &lt;&lt; thread_count &lt;&lt; <span class="stringliteral">&quot; threads.&quot;</span>;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>  }</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>  msg &lt;&lt; <span class="stringliteral">&quot; See &quot;</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>         <span class="stringliteral">&quot;https://github.com/google/googletest/blob/main/docs/&quot;</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>         <span class="stringliteral">&quot;advanced.md#death-tests-and-threads&quot;</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>      &lt;&lt; <span class="stringliteral">&quot; for more explanation and suggested solutions, especially if&quot;</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>      &lt;&lt; <span class="stringliteral">&quot; this is the last message you see before your test times out.&quot;</span>;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>  <span class="keywordflow">return</span> msg.GetString();</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>}</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="preprocessor">#endif  </span><span class="comment">// !GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="comment">// Flag characters for reporting a death test that did not die.</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDeathTestLived = <span class="charliteral">&#39;L&#39;</span>;</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDeathTestReturned = <span class="charliteral">&#39;R&#39;</span>;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDeathTestThrew = <span class="charliteral">&#39;T&#39;</span>;</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDeathTestInternalError = <span class="charliteral">&#39;I&#39;</span>;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="preprocessor">#if GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment">// File descriptor used for the pipe in the child process.</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kFuchsiaReadPipeFd = 3;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment">// An enumeration describing all of the possible ways that a death test can</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="comment">// conclude.  DIED means that the process died while executing the test</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment">// code; LIVED means that process lived beyond the end of the test code;</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment">// RETURNED means that the test statement attempted to execute a return</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment">// statement, which is not allowed; THREW means that the test statement</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment">// returned control by throwing an exception.  IN_PROGRESS means the test</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">// has not yet concluded.</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="keyword">enum</span> DeathTestOutcome { IN_PROGRESS, DIED, LIVED, RETURNED, THREW };</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment">// Routine for aborting the program which is safe to call from an</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment">// exec-style death test child process, in which case the error</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment">// message is propagated back to the parent process.  Otherwise, the</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="comment">// message is simply printed to stderr.  In either case, the program</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="comment">// then exits with status 1.</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>[[noreturn]] <span class="keyword">static</span> <span class="keywordtype">void</span> DeathTestAbort(<span class="keyword">const</span> std::string&amp; message) {</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>  <span class="comment">// On a POSIX system, this function may be called from a threadsafe-style</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>  <span class="comment">// death test child process, which operates on a very small stack.  Use</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>  <span class="comment">// the heap for any additional non-minuscule memory requirements.</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>  <span class="keyword">const</span> InternalRunDeathTestFlag* <span class="keyword">const</span> flag =</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>      GetUnitTestImpl()-&gt;internal_run_death_test_flag();</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>  <span class="keywordflow">if</span> (flag != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>    FILE* parent = posix::FDOpen(flag-&gt;write_fd(), <span class="stringliteral">&quot;w&quot;</span>);</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>    fputc(kDeathTestInternalError, parent);</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>    fprintf(parent, <span class="stringliteral">&quot;%s&quot;</span>, message.c_str());</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>    fflush(parent);</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    _exit(1);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>    fprintf(stderr, <span class="stringliteral">&quot;%s&quot;</span>, message.c_str());</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>    fflush(stderr);</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>    posix::Abort();</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>  }</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>}</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span> </div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="comment">// A replacement for CHECK that calls DeathTestAbort if the assertion</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="comment">// fails.</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="preprocessor">#define GTEST_DEATH_TEST_CHECK_(expression)                              \</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span><span class="preprocessor">  do {                                                                   \</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="preprocessor">    if (!::testing::internal::IsTrue(expression)) {                      \</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="preprocessor">      DeathTestAbort(::std::string(&quot;CHECK failed: File &quot;) + __FILE__ +   \</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><span class="preprocessor">                     &quot;, line &quot; +                                         \</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="preprocessor">                     ::testing::internal::StreamableToString(__LINE__) + \</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="preprocessor">                     &quot;: &quot; + #expression);                                \</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="preprocessor">    }                                                                    \</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="preprocessor">  } while (::testing::internal::AlwaysFalse())</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span> </div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span><span class="comment">// This macro is similar to GTEST_DEATH_TEST_CHECK_, but it is meant for</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span><span class="comment">// evaluating any system call that fulfills two conditions: it must return</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="comment">// -1 on failure, and set errno to EINTR when it is interrupted and</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span><span class="comment">// should be tried again.  The macro expands to a loop that repeatedly</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="comment">// evaluates the expression as long as it evaluates to -1 and sets</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span><span class="comment">// errno to EINTR.  If the expression evaluates to -1 but errno is</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span><span class="comment">// something other than EINTR, DeathTestAbort is called.</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span><span class="preprocessor">#define GTEST_DEATH_TEST_CHECK_SYSCALL_(expression)                      \</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span><span class="preprocessor">  do {                                                                   \</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="preprocessor">    int gtest_retval;                                                    \</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="preprocessor">    do {                                                                 \</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span><span class="preprocessor">      gtest_retval = (expression);                                       \</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="preprocessor">    } while (gtest_retval == -1 &amp;&amp; errno == EINTR);                      \</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="preprocessor">    if (gtest_retval == -1) {                                            \</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span><span class="preprocessor">      DeathTestAbort(::std::string(&quot;CHECK failed: File &quot;) + __FILE__ +   \</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="preprocessor">                     &quot;, line &quot; +                                         \</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="preprocessor">                     ::testing::internal::StreamableToString(__LINE__) + \</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="preprocessor">                     &quot;: &quot; + #expression + &quot; != -1&quot;);                     \</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="preprocessor">    }                                                                    \</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="preprocessor">  } while (::testing::internal::AlwaysFalse())</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span> </div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="comment">// Returns the message describing the last system error in errno.</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>std::string GetLastErrnoDescription() {</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>  <span class="keywordflow">return</span> errno == 0 ? <span class="stringliteral">&quot;&quot;</span> : posix::StrError(errno);</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>}</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span> </div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span><span class="comment">// This is called from a death test parent process to read a failure</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="comment">// message from the death test child process and log it with the FATAL</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="comment">// severity. On Windows, the message is read from a pipe handle. On other</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span><span class="comment">// platforms, it is read from a file descriptor.</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="keyword">static</span> <span class="keywordtype">void</span> FailFromInternalError(<span class="keywordtype">int</span> fd) {</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>  Message error;</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>  <span class="keywordtype">char</span> buffer[256];</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>  <span class="keywordtype">int</span> num_read;</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span> </div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>    <span class="keywordflow">while</span> ((num_read = posix::Read(fd, buffer, 255)) &gt; 0) {</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>      buffer[num_read] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>      error &lt;&lt; buffer;</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>    }</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>  } <span class="keywordflow">while</span> (num_read == -1 &amp;&amp; errno == EINTR);</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span> </div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>  <span class="keywordflow">if</span> (num_read == 0) {</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>    GTEST_LOG_(FATAL) &lt;&lt; error.GetString();</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>    <span class="keyword">const</span> <span class="keywordtype">int</span> last_error = errno;</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>    GTEST_LOG_(FATAL) &lt;&lt; <span class="stringliteral">&quot;Error while reading death test internal: &quot;</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>                      &lt;&lt; GetLastErrnoDescription() &lt;&lt; <span class="stringliteral">&quot; [&quot;</span> &lt;&lt; last_error &lt;&lt; <span class="stringliteral">&quot;]&quot;</span>;</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>  }</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>}</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="comment">// Death test constructor.  Increments the running death test count</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="comment">// for the current test.</span></div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>DeathTest::DeathTest() {</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>  TestInfo* <span class="keyword">const</span> info = GetUnitTestImpl()-&gt;current_test_info();</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>  <span class="keywordflow">if</span> (info == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>    DeathTestAbort(</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>        <span class="stringliteral">&quot;Cannot run a death test outside of a TEST or &quot;</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>        <span class="stringliteral">&quot;TEST_F construct&quot;</span>);</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>  }</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>}</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span> </div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="comment">// Creates and returns a death test by dispatching to the current</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="comment">// death test factory.</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="keywordtype">bool</span> DeathTest::Create(<span class="keyword">const</span> <span class="keywordtype">char</span>* statement,</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span>                       Matcher&lt;const std::string&amp;&gt; matcher, <span class="keyword">const</span> <span class="keywordtype">char</span>* file,</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>                       <span class="keywordtype">int</span> line, DeathTest** test) {</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>  <span class="keywordflow">return</span> GetUnitTestImpl()-&gt;death_test_factory()-&gt;Create(</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>      statement, std::move(matcher), file, line, test);</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>}</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span> </div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="keyword">const</span> <span class="keywordtype">char</span>* DeathTest::LastMessage() {</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>  <span class="keywordflow">return</span> last_death_test_message_.c_str();</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>}</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span> </div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span><span class="keywordtype">void</span> DeathTest::set_last_death_test_message(<span class="keyword">const</span> std::string&amp; message) {</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>  last_death_test_message_ = message;</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>}</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span> </div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>std::string DeathTest::last_death_test_message_;</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span> </div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span><span class="comment">// Provides cross platform implementation for some death functionality.</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="keyword">class </span>DeathTestImpl : <span class="keyword">public</span> DeathTest {</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>  DeathTestImpl(<span class="keyword">const</span> <span class="keywordtype">char</span>* a_statement, Matcher&lt;const std::string&amp;&gt; matcher)</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>      : statement_(a_statement),</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>        matcher_(std::move(matcher)),</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>        spawned_(false),</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>        status_(-1),</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>        outcome_(IN_PROGRESS),</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>        read_fd_(-1),</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>        write_fd_(-1) {}</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span> </div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>  <span class="comment">// read_fd_ is expected to be closed and cleared by a derived class.</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>  ~DeathTestImpl()<span class="keyword"> override </span>{ GTEST_DEATH_TEST_CHECK_(read_fd_ == -1); }</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span> </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>  <span class="keywordtype">void</span> Abort(AbortReason reason) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>  <span class="keywordtype">bool</span> Passed(<span class="keywordtype">bool</span> status_ok) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* statement()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> statement_; }</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>  <span class="keywordtype">bool</span> spawned()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> spawned_; }</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>  <span class="keywordtype">void</span> set_spawned(<span class="keywordtype">bool</span> is_spawned) { spawned_ = is_spawned; }</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>  <span class="keywordtype">int</span> status()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> status_; }</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>  <span class="keywordtype">void</span> set_status(<span class="keywordtype">int</span> a_status) { status_ = a_status; }</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>  DeathTestOutcome outcome()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> outcome_; }</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>  <span class="keywordtype">void</span> set_outcome(DeathTestOutcome an_outcome) { outcome_ = an_outcome; }</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>  <span class="keywordtype">int</span> read_fd()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> read_fd_; }</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>  <span class="keywordtype">void</span> set_read_fd(<span class="keywordtype">int</span> fd) { read_fd_ = fd; }</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>  <span class="keywordtype">int</span> write_fd()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> write_fd_; }</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>  <span class="keywordtype">void</span> set_write_fd(<span class="keywordtype">int</span> fd) { write_fd_ = fd; }</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>  <span class="comment">// Called in the parent process only. Reads the result code of the death</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>  <span class="comment">// test child process via a pipe, interprets it to set the outcome_</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span>  <span class="comment">// member, and closes read_fd_.  Outputs diagnostics and terminates in</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>  <span class="comment">// case of unexpected codes.</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>  <span class="keywordtype">void</span> ReadAndInterpretStatusByte();</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span> </div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>  <span class="comment">// Returns stderr output from the child process.</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>  <span class="keyword">virtual</span> std::string GetErrorLogs();</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span> </div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>  <span class="comment">// The textual content of the code this object is testing.  This class</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>  <span class="comment">// doesn&#39;t own this string and should not attempt to delete it.</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> statement_;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>  <span class="comment">// A matcher that&#39;s expected to match the stderr output by the child process.</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>  Matcher&lt;const std::string&amp;&gt; matcher_;</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>  <span class="comment">// True if the death test child process has been successfully spawned.</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>  <span class="keywordtype">bool</span> spawned_;</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>  <span class="comment">// The exit status of the child process.</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>  <span class="keywordtype">int</span> status_;</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>  <span class="comment">// How the death test concluded.</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>  DeathTestOutcome outcome_;</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>  <span class="comment">// Descriptor to the read end of the pipe to the child process.  It is</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>  <span class="comment">// always -1 in the child process.  The child keeps its write end of the</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>  <span class="comment">// pipe in write_fd_.</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>  <span class="keywordtype">int</span> read_fd_;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>  <span class="comment">// Descriptor to the child&#39;s write end of the pipe to the parent process.</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>  <span class="comment">// It is always -1 in the parent process.  The parent keeps its end of the</span></div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>  <span class="comment">// pipe in read_fd_.</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>  <span class="keywordtype">int</span> write_fd_;</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>};</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span> </div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span><span class="comment">// Called in the parent process only. Reads the result code of the death</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span><span class="comment">// test child process via a pipe, interprets it to set the outcome_</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span><span class="comment">// member, and closes read_fd_.  Outputs diagnostics and terminates in</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span><span class="comment">// case of unexpected codes.</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span><span class="keywordtype">void</span> DeathTestImpl::ReadAndInterpretStatusByte() {</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>  <span class="keywordtype">char</span> flag;</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>  <span class="keywordtype">int</span> bytes_read;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span> </div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>  <span class="comment">// The read() here blocks until data is available (signifying the</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>  <span class="comment">// failure of the death test) or until the pipe is closed (signifying</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>  <span class="comment">// its success), so it&#39;s okay to call this in the parent before</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>  <span class="comment">// the child process has exited.</span></div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>    bytes_read = posix::Read(read_fd(), &amp;flag, 1);</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>  } <span class="keywordflow">while</span> (bytes_read == -1 &amp;&amp; errno == EINTR);</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span> </div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>  <span class="keywordflow">if</span> (bytes_read == 0) {</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>    set_outcome(DIED);</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_read == 1) {</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>    <span class="keywordflow">switch</span> (flag) {</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>      <span class="keywordflow">case</span> kDeathTestReturned:</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>        set_outcome(RETURNED);</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>      <span class="keywordflow">case</span> kDeathTestThrew:</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>        set_outcome(THREW);</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>      <span class="keywordflow">case</span> kDeathTestLived:</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>        set_outcome(LIVED);</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>      <span class="keywordflow">case</span> kDeathTestInternalError:</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>        FailFromInternalError(read_fd());  <span class="comment">// Does not return.</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>      <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>        GTEST_LOG_(FATAL) &lt;&lt; <span class="stringliteral">&quot;Death test child process reported &quot;</span></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>                          &lt;&lt; <span class="stringliteral">&quot;unexpected status byte (&quot;</span></div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>                          &lt;&lt; <span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">&gt;</span>(flag) &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>    }</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>    GTEST_LOG_(FATAL) &lt;&lt; <span class="stringliteral">&quot;Read from death test child process failed: &quot;</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>                      &lt;&lt; GetLastErrnoDescription();</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>  }</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(posix::Close(read_fd()));</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>  set_read_fd(-1);</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>}</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span> </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>std::string DeathTestImpl::GetErrorLogs() { <span class="keywordflow">return</span> GetCapturedStderr(); }</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span> </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span><span class="comment">// Signals that the death test code which should have exited, didn&#39;t.</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span><span class="comment">// Should be called only in a death test child process.</span></div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span><span class="comment">// Writes a status byte to the child&#39;s status file descriptor, then</span></div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span><span class="comment">// calls _exit(1).</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span><span class="keywordtype">void</span> DeathTestImpl::Abort(AbortReason reason) {</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>  <span class="comment">// The parent process considers the death test to be a failure if</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>  <span class="comment">// it finds any data in our pipe.  So, here we write a single flag byte</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>  <span class="comment">// to the pipe, then exit.</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> status_ch = reason == TEST_DID_NOT_DIE       ? kDeathTestLived</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>                         : reason == TEST_THREW_EXCEPTION ? kDeathTestThrew</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>                                                          : kDeathTestReturned;</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span> </div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(posix::Write(write_fd(), &amp;status_ch, 1));</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>  <span class="comment">// We are leaking the descriptor here because on some platforms (i.e.,</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>  <span class="comment">// when built as Windows DLL), destructors of global objects will still</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>  <span class="comment">// run after calling _exit(). On such systems, write_fd_ will be</span></div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>  <span class="comment">// indirectly closed from the destructor of UnitTestImpl, causing double</span></div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>  <span class="comment">// close if it is also closed here. On debug configurations, double close</span></div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>  <span class="comment">// may assert. As there are no in-process buffers to flush here, we are</span></div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>  <span class="comment">// relying on the OS to close the descriptor after the process terminates</span></div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>  <span class="comment">// when the destructors are not run.</span></div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>  _exit(1);  <span class="comment">// Exits w/o any normal exit hooks (we were supposed to crash)</span></div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>}</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span> </div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span><span class="comment">// Returns an indented copy of stderr output for a death test.</span></div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span><span class="comment">// This makes distinguishing death test output lines from regular log lines</span></div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span><span class="comment">// much easier.</span></div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>static ::std::string FormatDeathTestOutput(const ::std::string&amp; output) {</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>  ::std::string ret;</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> at = 0;;) {</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>    <span class="keyword">const</span> <span class="keywordtype">size_t</span> line_end = output.find(<span class="charliteral">&#39;\n&#39;</span>, at);</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>    ret += <span class="stringliteral">&quot;[  DEATH   ] &quot;</span>;</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>    <span class="keywordflow">if</span> (line_end == ::std::string::npos) {</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>      ret += output.substr(at);</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>    }</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>    ret += output.substr(at, line_end + 1 - at);</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>    at = line_end + 1;</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>  }</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>}</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span><span class="comment">// Assesses the success or failure of a death test, using both private</span></div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span><span class="comment">// members which have previously been set, and one argument:</span></div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span><span class="comment">//</span></div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span><span class="comment">// Private data members:</span></div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span><span class="comment">//   outcome:  An enumeration describing how the death test</span></div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span><span class="comment">//             concluded: DIED, LIVED, THREW, or RETURNED.  The death test</span></div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span><span class="comment">//             fails in the latter three cases.</span></div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span><span class="comment">//   status:   The exit status of the child process. On *nix, it is in the</span></div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span><span class="comment">//             in the format specified by wait(2). On Windows, this is the</span></div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span><span class="comment">//             value supplied to the ExitProcess() API or a numeric code</span></div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span><span class="comment">//             of the exception that terminated the program.</span></div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span><span class="comment">//   matcher_: A matcher that&#39;s expected to match the stderr output by the child</span></div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span><span class="comment">//             process.</span></div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span><span class="comment">//</span></div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span><span class="comment">// Argument:</span></div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span><span class="comment">//   status_ok: true if exit_status is acceptable in the context of</span></div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span><span class="comment">//              this particular death test, which fails if it is false</span></div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span><span class="comment">//</span></div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span><span class="comment">// Returns true if and only if all of the above conditions are met.  Otherwise,</span></div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span><span class="comment">// the first failing condition, in the order given above, is the one that is</span></div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span><span class="comment">// reported. Also sets the last death test message string.</span></div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span><span class="keywordtype">bool</span> DeathTestImpl::Passed(<span class="keywordtype">bool</span> status_ok) {</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span>  <span class="keywordflow">if</span> (!spawned()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span> </div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span>  <span class="keyword">const</span> std::string error_message = GetErrorLogs();</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span> </div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>  <span class="keywordtype">bool</span> success = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span>  Message buffer;</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span> </div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span>  buffer &lt;&lt; <span class="stringliteral">&quot;Death test: &quot;</span> &lt;&lt; statement() &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span>  <span class="keywordflow">switch</span> (outcome()) {</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span>    <span class="keywordflow">case</span> LIVED:</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>      buffer &lt;&lt; <span class="stringliteral">&quot;    Result: failed to die.\n&quot;</span></div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>             &lt;&lt; <span class="stringliteral">&quot; Error msg:\n&quot;</span></div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span>             &lt;&lt; FormatDeathTestOutput(error_message);</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span>    <span class="keywordflow">case</span> THREW:</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>      buffer &lt;&lt; <span class="stringliteral">&quot;    Result: threw an exception.\n&quot;</span></div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span>             &lt;&lt; <span class="stringliteral">&quot; Error msg:\n&quot;</span></div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>             &lt;&lt; FormatDeathTestOutput(error_message);</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span>    <span class="keywordflow">case</span> RETURNED:</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>      buffer &lt;&lt; <span class="stringliteral">&quot;    Result: illegal return in test statement.\n&quot;</span></div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>             &lt;&lt; <span class="stringliteral">&quot; Error msg:\n&quot;</span></div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>             &lt;&lt; FormatDeathTestOutput(error_message);</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>    <span class="keywordflow">case</span> DIED:</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span>      <span class="keywordflow">if</span> (status_ok) {</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>        <span class="keywordflow">if</span> (matcher_.Matches(error_message)) {</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span>          success = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>          std::ostringstream stream;</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>          matcher_.DescribeTo(&amp;stream);</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span>          buffer &lt;&lt; <span class="stringliteral">&quot;    Result: died but not with expected error.\n&quot;</span></div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span>                 &lt;&lt; <span class="stringliteral">&quot;  Expected: &quot;</span> &lt;&lt; stream.str() &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span></div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span>                 &lt;&lt; <span class="stringliteral">&quot;Actual msg:\n&quot;</span></div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span>                 &lt;&lt; FormatDeathTestOutput(error_message);</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span>        }</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span>      } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span>        buffer &lt;&lt; <span class="stringliteral">&quot;    Result: died but not with expected exit code:\n&quot;</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>               &lt;&lt; <span class="stringliteral">&quot;            &quot;</span> &lt;&lt; ExitSummary(status()) &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span></div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span>               &lt;&lt; <span class="stringliteral">&quot;Actual msg:\n&quot;</span></div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span>               &lt;&lt; FormatDeathTestOutput(error_message);</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span>      }</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>    <span class="keywordflow">case</span> IN_PROGRESS:</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span>      GTEST_LOG_(FATAL)</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span>          &lt;&lt; <span class="stringliteral">&quot;DeathTest::Passed somehow called before conclusion of test&quot;</span>;</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span>  }</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span> </div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span>  DeathTest::set_last_death_test_message(buffer.GetString());</div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno">  621</span>  <span class="keywordflow">return</span> success;</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span>}</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span> </div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno">  624</span><span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span><span class="comment">// WindowsDeathTest implements death tests on Windows. Due to the</span></div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span><span class="comment">// specifics of starting new processes on Windows, death tests there are</span></div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span><span class="comment">// always threadsafe, and Google Test considers the</span></div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span><span class="comment">// --gtest_death_test_style=fast setting to be equivalent to</span></div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span><span class="comment">// --gtest_death_test_style=threadsafe there.</span></div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span><span class="comment">//</span></div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span><span class="comment">// A few implementation notes:  Like the Linux version, the Windows</span></div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span><span class="comment">// implementation uses pipes for child-to-parent communication. But due to</span></div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span><span class="comment">// the specifics of pipes on Windows, some extra steps are required:</span></div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno">  634</span><span class="comment">//</span></div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span><span class="comment">// 1. The parent creates a communication pipe and stores handles to both</span></div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno">  636</span><span class="comment">//    ends of it.</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span><span class="comment">// 2. The parent starts the child and provides it with the information</span></div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno">  638</span><span class="comment">//    necessary to acquire the handle to the write end of the pipe.</span></div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno">  639</span><span class="comment">// 3. The child acquires the write end of the pipe and signals the parent</span></div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span><span class="comment">//    using a Windows event.</span></div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span><span class="comment">// 4. Now the parent can release the write end of the pipe on its side. If</span></div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span><span class="comment">//    this is done before step 3, the object&#39;s reference count goes down to</span></div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno">  643</span><span class="comment">//    0 and it is destroyed, preventing the child from acquiring it. The</span></div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span><span class="comment">//    parent now has to release it, or read operations on the read end of</span></div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span><span class="comment">//    the pipe will not return when the child terminates.</span></div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span><span class="comment">// 5. The parent reads child&#39;s output through the pipe (outcome code and</span></div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span><span class="comment">//    any possible error messages) from the pipe, and its stderr and then</span></div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span><span class="comment">//    determines whether to fail the test.</span></div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span><span class="comment">//</span></div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span><span class="comment">// Note: to distinguish Win32 API calls from the local method and function</span></div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span><span class="comment">// calls, the former are explicitly resolved in the global namespace.</span></div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span><span class="comment">//</span></div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span><span class="keyword">class </span>WindowsDeathTest : <span class="keyword">public</span> DeathTestImpl {</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span>  WindowsDeathTest(<span class="keyword">const</span> <span class="keywordtype">char</span>* a_statement, Matcher&lt;const std::string&amp;&gt; matcher,</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span>                   <span class="keyword">const</span> <span class="keywordtype">char</span>* file, <span class="keywordtype">int</span> line)</div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span>      : DeathTestImpl(a_statement, std::move(matcher)),</div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span>        file_(file),</div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span>        line_(line) {}</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span> </div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span>  <span class="comment">// All of these virtual functions are inherited from DeathTest.</span></div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno">  662</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> Wait();</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span>  <span class="keyword">virtual</span> TestRole AssumeRole();</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span> </div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span>  <span class="comment">// The name of the file in which the death test is located.</span></div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file_;</div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno">  668</span>  <span class="comment">// The line number on which the death test is located.</span></div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno">  669</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> line_;</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno">  670</span>  <span class="comment">// Handle to the write end of the pipe to the child process.</span></div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno">  671</span>  AutoHandle write_handle_;</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno">  672</span>  <span class="comment">// Child process handle.</span></div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno">  673</span>  AutoHandle child_handle_;</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno">  674</span>  <span class="comment">// Event the child process uses to signal the parent that it has</span></div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno">  675</span>  <span class="comment">// acquired the handle to the write end of the pipe. After seeing this</span></div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno">  676</span>  <span class="comment">// event the parent can release its own handles to make sure its</span></div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno">  677</span>  <span class="comment">// ReadFile() calls return when the child terminates.</span></div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno">  678</span>  AutoHandle event_handle_;</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno">  679</span>};</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span> </div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span><span class="comment">// Waits for the child in a death test to exit, returning its exit</span></div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span><span class="comment">// status, or 0 if no child process exists.  As a side effect, sets the</span></div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno">  683</span><span class="comment">// outcome data member.</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno">  684</span><span class="keywordtype">int</span> WindowsDeathTest::Wait() {</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno">  685</span>  <span class="keywordflow">if</span> (!spawned()) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno">  686</span> </div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno">  687</span>  <span class="comment">// Wait until the child either signals that it has acquired the write end</span></div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno">  688</span>  <span class="comment">// of the pipe or it dies.</span></div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno">  689</span>  <span class="keyword">const</span> HANDLE wait_handles[2] = {child_handle_.Get(), event_handle_.Get()};</div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno">  690</span>  <span class="keywordflow">switch</span> (::WaitForMultipleObjects(2, wait_handles,</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno">  691</span>                                   FALSE,  <span class="comment">// Waits for any of the handles.</span></div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno">  692</span>                                   INFINITE)) {</div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span>    <span class="keywordflow">case</span> WAIT_OBJECT_0:</div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span>    <span class="keywordflow">case</span> WAIT_OBJECT_0 + 1:</div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno">  696</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span>      GTEST_DEATH_TEST_CHECK_(<span class="keyword">false</span>);  <span class="comment">// Should not get here.</span></div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span>  }</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span> </div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span>  <span class="comment">// The child has acquired the write end of the pipe or exited.</span></div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span>  <span class="comment">// We release the handle on our side and continue.</span></div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span>  write_handle_.Reset();</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span>  event_handle_.Reset();</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span> </div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span>  ReadAndInterpretStatusByte();</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span> </div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span>  <span class="comment">// Waits for the child process to exit if it haven&#39;t already. This</span></div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span>  <span class="comment">// returns immediately if the child has already exited, regardless of</span></div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span>  <span class="comment">// whether previous calls to WaitForMultipleObjects synchronized on this</span></div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span>  <span class="comment">// handle or not.</span></div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno">  711</span>  GTEST_DEATH_TEST_CHECK_(WAIT_OBJECT_0 ==</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span>                          ::WaitForSingleObject(child_handle_.Get(), INFINITE));</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span>  DWORD status_code;</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span>  GTEST_DEATH_TEST_CHECK_(</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno">  715</span>      ::GetExitCodeProcess(child_handle_.Get(), &amp;status_code) != FALSE);</div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno">  716</span>  child_handle_.Reset();</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno">  717</span>  set_status(<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(status_code));</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno">  718</span>  <span class="keywordflow">return</span> status();</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno">  719</span>}</div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno">  720</span> </div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno">  721</span><span class="comment">// The AssumeRole process for a Windows death test.  It creates a child</span></div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno">  722</span><span class="comment">// process with the same executable as the current process to run the</span></div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span><span class="comment">// death test.  The child process is given the --gtest_filter and</span></div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span><span class="comment">// --gtest_internal_run_death_test flags such that it knows to run the</span></div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span><span class="comment">// current death test only.</span></div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span>DeathTest::TestRole WindowsDeathTest::AssumeRole() {</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span>  <span class="keyword">const</span> UnitTestImpl* <span class="keyword">const</span> impl = GetUnitTestImpl();</div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>  <span class="keyword">const</span> InternalRunDeathTestFlag* <span class="keyword">const</span> flag =</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span>      impl-&gt;internal_run_death_test_flag();</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span>  <span class="keyword">const</span> TestInfo* <span class="keyword">const</span> info = impl-&gt;current_test_info();</div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno">  731</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> death_test_index = info-&gt;result()-&gt;death_test_count();</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno">  732</span> </div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno">  733</span>  <span class="keywordflow">if</span> (flag != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno">  734</span>    <span class="comment">// ParseInternalRunDeathTestFlag() has performed all the necessary</span></div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno">  735</span>    <span class="comment">// processing.</span></div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno">  736</span>    set_write_fd(flag-&gt;write_fd());</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno">  737</span>    <span class="keywordflow">return</span> EXECUTE_TEST;</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno">  738</span>  }</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno">  739</span> </div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno">  740</span>  <span class="comment">// WindowsDeathTest uses an anonymous pipe to communicate results of</span></div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno">  741</span>  <span class="comment">// a death test.</span></div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno">  742</span>  SECURITY_ATTRIBUTES handles_are_inheritable = {<span class="keyword">sizeof</span>(SECURITY_ATTRIBUTES),</div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno">  743</span>                                                 <span class="keyword">nullptr</span>, TRUE};</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno">  744</span>  HANDLE read_handle, write_handle;</div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno">  745</span>  GTEST_DEATH_TEST_CHECK_(::CreatePipe(&amp;read_handle, &amp;write_handle,</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno">  746</span>                                       &amp;handles_are_inheritable,</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno">  747</span>                                       0)  <span class="comment">// Default buffer size.</span></div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno">  748</span>                          != FALSE);</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno">  749</span>  set_read_fd(</div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno">  750</span>      ::_open_osfhandle(<span class="keyword">reinterpret_cast&lt;</span>intptr_t<span class="keyword">&gt;</span>(read_handle), O_RDONLY));</div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno">  751</span>  write_handle_.Reset(write_handle);</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno">  752</span>  event_handle_.Reset(::CreateEvent(</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno">  753</span>      &amp;handles_are_inheritable,</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno">  754</span>      TRUE,       <span class="comment">// The event will automatically reset to non-signaled state.</span></div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno">  755</span>      FALSE,      <span class="comment">// The initial state is non-signalled.</span></div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno">  756</span>      <span class="keyword">nullptr</span>));  <span class="comment">// The even is unnamed.</span></div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno">  757</span>  GTEST_DEATH_TEST_CHECK_(event_handle_.Get() != <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno">  758</span>  <span class="keyword">const</span> std::string filter_flag = std::string(<span class="stringliteral">&quot;--&quot;</span>) + GTEST_FLAG_PREFIX_ +</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno">  759</span>                                  <span class="stringliteral">&quot;filter=&quot;</span> + info-&gt;test_suite_name() + <span class="stringliteral">&quot;.&quot;</span> +</div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno">  760</span>                                  info-&gt;name();</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno">  761</span>  <span class="keyword">const</span> std::string internal_flag =</div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno">  762</span>      std::string(<span class="stringliteral">&quot;--&quot;</span>) + GTEST_FLAG_PREFIX_ +</div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno">  763</span>      <span class="stringliteral">&quot;internal_run_death_test=&quot;</span> + file_ + <span class="stringliteral">&quot;|&quot;</span> + StreamableToString(line_) +</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno">  764</span>      <span class="stringliteral">&quot;|&quot;</span> + StreamableToString(death_test_index) + <span class="stringliteral">&quot;|&quot;</span> +</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno">  765</span>      StreamableToString(<span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">&gt;</span>(::GetCurrentProcessId())) +</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno">  766</span>      <span class="comment">// size_t has the same width as pointers on both 32-bit and 64-bit</span></div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno">  767</span>      <span class="comment">// Windows platforms.</span></div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno">  768</span>      <span class="comment">// See http://msdn.microsoft.com/en-us/library/tcxf1dw6.aspx.</span></div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno">  769</span>      <span class="stringliteral">&quot;|&quot;</span> + StreamableToString(<span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">size_t</span><span class="keyword">&gt;</span>(write_handle)) + <span class="stringliteral">&quot;|&quot;</span> +</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno">  770</span>      StreamableToString(<span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">size_t</span><span class="keyword">&gt;</span>(event_handle_.Get()));</div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno">  771</span> </div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno">  772</span>  <span class="keywordtype">char</span> executable_path[_MAX_PATH + 1];  <span class="comment">// NOLINT</span></div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno">  773</span>  GTEST_DEATH_TEST_CHECK_(_MAX_PATH + 1 != ::GetModuleFileNameA(<span class="keyword">nullptr</span>,</div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno">  774</span>                                                                executable_path,</div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno">  775</span>                                                                _MAX_PATH));</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno">  776</span> </div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno">  777</span>  std::string command_line = std::string(::GetCommandLineA()) + <span class="stringliteral">&quot; &quot;</span> +</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno">  778</span>                             filter_flag + <span class="stringliteral">&quot; \&quot;&quot;</span> + internal_flag + <span class="stringliteral">&quot;\&quot;&quot;</span>;</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno">  779</span> </div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno">  780</span>  DeathTest::set_last_death_test_message(<span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno">  781</span> </div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno">  782</span>  CaptureStderr();</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno">  783</span>  <span class="comment">// Flush the log buffers since the log streams are shared with the child.</span></div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno">  784</span>  FlushInfoLog();</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno">  785</span> </div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno">  786</span>  <span class="comment">// The child process will share the standard handles with the parent.</span></div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno">  787</span>  STARTUPINFOA startup_info;</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno">  788</span>  memset(&amp;startup_info, 0, <span class="keyword">sizeof</span>(STARTUPINFO));</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno">  789</span>  startup_info.dwFlags = STARTF_USESTDHANDLES;</div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno">  790</span>  startup_info.hStdInput = ::GetStdHandle(STD_INPUT_HANDLE);</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno">  791</span>  startup_info.hStdOutput = ::GetStdHandle(STD_OUTPUT_HANDLE);</div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno">  792</span>  startup_info.hStdError = ::GetStdHandle(STD_ERROR_HANDLE);</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno">  793</span> </div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno">  794</span>  PROCESS_INFORMATION process_info;</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno">  795</span>  GTEST_DEATH_TEST_CHECK_(</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno">  796</span>      ::CreateProcessA(</div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno">  797</span>          executable_path, <span class="keyword">const_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(command_line.c_str()),</div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno">  798</span>          <span class="keyword">nullptr</span>,  <span class="comment">// Returned process handle is not inheritable.</span></div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno">  799</span>          <span class="keyword">nullptr</span>,  <span class="comment">// Returned thread handle is not inheritable.</span></div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno">  800</span>          TRUE,  <span class="comment">// Child inherits all inheritable handles (for write_handle_).</span></div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno">  801</span>          0x0,   <span class="comment">// Default creation flags.</span></div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno">  802</span>          <span class="keyword">nullptr</span>,  <span class="comment">// Inherit the parent&#39;s environment.</span></div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno">  803</span>          UnitTest::GetInstance()-&gt;original_working_dir(), &amp;startup_info,</div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno">  804</span>          &amp;process_info) != FALSE);</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno">  805</span>  child_handle_.Reset(process_info.hProcess);</div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno">  806</span>  ::CloseHandle(process_info.hThread);</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno">  807</span>  set_spawned(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno">  808</span>  <span class="keywordflow">return</span> OVERSEE_TEST;</div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno">  809</span>}</div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno">  810</span> </div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno">  811</span><span class="preprocessor">#elif GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno">  812</span> </div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno">  813</span><span class="keyword">class </span>FuchsiaDeathTest : <span class="keyword">public</span> DeathTestImpl {</div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno">  814</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno">  815</span>  FuchsiaDeathTest(<span class="keyword">const</span> <span class="keywordtype">char</span>* a_statement, Matcher&lt;const std::string&amp;&gt; matcher,</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno">  816</span>                   <span class="keyword">const</span> <span class="keywordtype">char</span>* file, <span class="keywordtype">int</span> line)</div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno">  817</span>      : DeathTestImpl(a_statement, std::move(matcher)),</div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno">  818</span>        file_(file),</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno">  819</span>        line_(line) {}</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno">  820</span> </div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno">  821</span>  <span class="comment">// All of these virtual functions are inherited from DeathTest.</span></div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno">  822</span>  <span class="keywordtype">int</span> Wait() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno">  823</span>  TestRole AssumeRole() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno">  824</span>  std::string GetErrorLogs() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno">  825</span> </div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno">  826</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno">  827</span>  <span class="comment">// The name of the file in which the death test is located.</span></div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno">  828</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file_;</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno">  829</span>  <span class="comment">// The line number on which the death test is located.</span></div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno">  830</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> line_;</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno">  831</span>  <span class="comment">// The stderr data captured by the child process.</span></div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno">  832</span>  std::string captured_stderr_;</div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno">  833</span> </div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno">  834</span>  zx::process child_process_;</div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno">  835</span>  zx::channel exception_channel_;</div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno">  836</span>  zx::socket stderr_socket_;</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno">  837</span>};</div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno">  838</span> </div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno">  839</span><span class="comment">// Utility class for accumulating command-line arguments.</span></div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno">  840</span><span class="keyword">class </span>Arguments {</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno">  841</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno">  842</span>  Arguments() { args_.push_back(<span class="keyword">nullptr</span>); }</div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno">  843</span> </div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno">  844</span>  ~Arguments() {</div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno">  845</span>    <span class="keywordflow">for</span> (std::vector&lt;char*&gt;::iterator i = args_.begin(); i != args_.end();</div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno">  846</span>         ++i) {</div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno">  847</span>      free(*i);</div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno">  848</span>    }</div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno">  849</span>  }</div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno">  850</span>  <span class="keywordtype">void</span> AddArgument(<span class="keyword">const</span> <span class="keywordtype">char</span>* argument) {</div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno">  851</span>    args_.insert(args_.end() - 1, posix::StrDup(argument));</div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno">  852</span>  }</div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno">  853</span> </div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno">  854</span>  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Str&gt;</div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno">  855</span>  <span class="keywordtype">void</span> AddArguments(const ::std::vector&lt;Str&gt;&amp; arguments) {</div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno">  856</span>    <span class="keywordflow">for</span> (typename ::std::vector&lt;Str&gt;::const_iterator i = arguments.begin();</div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno">  857</span>         i != arguments.end(); ++i) {</div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno">  858</span>      args_.insert(args_.end() - 1, posix::StrDup(i-&gt;c_str()));</div>
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno">  859</span>    }</div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno">  860</span>  }</div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno">  861</span>  <span class="keywordtype">char</span>* <span class="keyword">const</span>* Argv() { <span class="keywordflow">return</span> &amp;args_[0]; }</div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno">  862</span> </div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno">  863</span>  <span class="keywordtype">int</span> size() { <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(args_.size()) - 1; }</div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno">  864</span> </div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno">  865</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno">  866</span>  std::vector&lt;char*&gt; args_;</div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno">  867</span>};</div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno">  868</span> </div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno">  869</span><span class="comment">// Waits for the child in a death test to exit, returning its exit</span></div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno">  870</span><span class="comment">// status, or 0 if no child process exists.  As a side effect, sets the</span></div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno">  871</span><span class="comment">// outcome data member.</span></div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno">  872</span><span class="keywordtype">int</span> FuchsiaDeathTest::Wait() {</div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno">  873</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kProcessKey = 0;</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno">  874</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kSocketKey = 1;</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno">  875</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kExceptionKey = 2;</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno">  876</span> </div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno">  877</span>  <span class="keywordflow">if</span> (!spawned()) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno">  878</span> </div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno">  879</span>  <span class="comment">// Create a port to wait for socket/task/exception events.</span></div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno">  880</span>  zx_status_t status_zx;</div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno">  881</span>  zx::port port;</div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno">  882</span>  status_zx = zx::port::create(0, &amp;port);</div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno">  883</span>  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno">  884</span> </div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno">  885</span>  <span class="comment">// Register to wait for the child process to terminate.</span></div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno">  886</span>  status_zx =</div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno">  887</span>      child_process_.wait_async(port, kProcessKey, ZX_PROCESS_TERMINATED, 0);</div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno">  888</span>  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno">  889</span> </div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno">  890</span>  <span class="comment">// Register to wait for the socket to be readable or closed.</span></div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno">  891</span>  status_zx = stderr_socket_.wait_async(</div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno">  892</span>      port, kSocketKey, ZX_SOCKET_READABLE | ZX_SOCKET_PEER_CLOSED, 0);</div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno">  893</span>  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno">  894</span> </div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno">  895</span>  <span class="comment">// Register to wait for an exception.</span></div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno">  896</span>  status_zx = exception_channel_.wait_async(port, kExceptionKey,</div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno">  897</span>                                            ZX_CHANNEL_READABLE, 0);</div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno">  898</span>  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno">  899</span> </div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno">  900</span>  <span class="keywordtype">bool</span> process_terminated = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno">  901</span>  <span class="keywordtype">bool</span> socket_closed = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno">  902</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno">  903</span>    zx_port_packet_t packet = {};</div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno">  904</span>    status_zx = port.wait(zx::time::infinite(), &amp;packet);</div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno">  905</span>    GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno">  906</span> </div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno">  907</span>    <span class="keywordflow">if</span> (packet.key == kExceptionKey) {</div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno">  908</span>      <span class="comment">// Process encountered an exception. Kill it directly rather than</span></div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno">  909</span>      <span class="comment">// letting other handlers process the event. We will get a kProcessKey</span></div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno">  910</span>      <span class="comment">// event when the process actually terminates.</span></div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno">  911</span>      status_zx = child_process_.kill();</div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno">  912</span>      GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno">  913</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (packet.key == kProcessKey) {</div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno">  914</span>      <span class="comment">// Process terminated.</span></div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno">  915</span>      GTEST_DEATH_TEST_CHECK_(ZX_PKT_IS_SIGNAL_ONE(packet.type));</div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno">  916</span>      GTEST_DEATH_TEST_CHECK_(packet.signal.observed &amp; ZX_PROCESS_TERMINATED);</div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno">  917</span>      process_terminated = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno">  918</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (packet.key == kSocketKey) {</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno">  919</span>      GTEST_DEATH_TEST_CHECK_(ZX_PKT_IS_SIGNAL_ONE(packet.type));</div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno">  920</span>      <span class="keywordflow">if</span> (packet.signal.observed &amp; ZX_SOCKET_READABLE) {</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno">  921</span>        <span class="comment">// Read data from the socket.</span></div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno">  922</span>        <span class="keyword">constexpr</span> <span class="keywordtype">size_t</span> kBufferSize = 1024;</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno">  923</span>        <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno">  924</span>          <span class="keywordtype">size_t</span> old_length = captured_stderr_.length();</div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno">  925</span>          <span class="keywordtype">size_t</span> bytes_read = 0;</div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno">  926</span>          captured_stderr_.resize(old_length + kBufferSize);</div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno">  927</span>          status_zx =</div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno">  928</span>              stderr_socket_.read(0, &amp;captured_stderr_.front() + old_length,</div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno">  929</span>                                  kBufferSize, &amp;bytes_read);</div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno">  930</span>          captured_stderr_.resize(old_length + bytes_read);</div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno">  931</span>        } <span class="keywordflow">while</span> (status_zx == ZX_OK);</div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno">  932</span>        <span class="keywordflow">if</span> (status_zx == ZX_ERR_PEER_CLOSED) {</div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno">  933</span>          socket_closed = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno">  934</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno">  935</span>          GTEST_DEATH_TEST_CHECK_(status_zx == ZX_ERR_SHOULD_WAIT);</div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno">  936</span>          status_zx = stderr_socket_.wait_async(</div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno">  937</span>              port, kSocketKey, ZX_SOCKET_READABLE | ZX_SOCKET_PEER_CLOSED, 0);</div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno">  938</span>          GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno">  939</span>        }</div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno">  940</span>      } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno">  941</span>        GTEST_DEATH_TEST_CHECK_(packet.signal.observed &amp; ZX_SOCKET_PEER_CLOSED);</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno">  942</span>        socket_closed = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno">  943</span>      }</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno">  944</span>    }</div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno">  945</span>  } <span class="keywordflow">while</span> (!process_terminated &amp;&amp; !socket_closed);</div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno">  946</span> </div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno">  947</span>  ReadAndInterpretStatusByte();</div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno">  948</span> </div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno">  949</span>  zx_info_process_t buffer;</div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno">  950</span>  status_zx = child_process_.get_info(ZX_INFO_PROCESS, &amp;buffer, <span class="keyword">sizeof</span>(buffer),</div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno">  951</span>                                      <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno">  952</span>  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);</div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno">  953</span> </div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno">  954</span>  GTEST_DEATH_TEST_CHECK_(buffer.flags &amp; ZX_INFO_PROCESS_FLAG_EXITED);</div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno">  955</span>  set_status(<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(buffer.return_code));</div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno">  956</span>  <span class="keywordflow">return</span> status();</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno">  957</span>}</div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno">  958</span> </div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno">  959</span><span class="comment">// The AssumeRole process for a Fuchsia death test.  It creates a child</span></div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno">  960</span><span class="comment">// process with the same executable as the current process to run the</span></div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno">  961</span><span class="comment">// death test.  The child process is given the --gtest_filter and</span></div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno">  962</span><span class="comment">// --gtest_internal_run_death_test flags such that it knows to run the</span></div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno">  963</span><span class="comment">// current death test only.</span></div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno">  964</span>DeathTest::TestRole FuchsiaDeathTest::AssumeRole() {</div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno">  965</span>  <span class="keyword">const</span> UnitTestImpl* <span class="keyword">const</span> impl = GetUnitTestImpl();</div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno">  966</span>  <span class="keyword">const</span> InternalRunDeathTestFlag* <span class="keyword">const</span> flag =</div>
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno">  967</span>      impl-&gt;internal_run_death_test_flag();</div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno">  968</span>  <span class="keyword">const</span> TestInfo* <span class="keyword">const</span> info = impl-&gt;current_test_info();</div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno">  969</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> death_test_index = info-&gt;result()-&gt;death_test_count();</div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno">  970</span> </div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno">  971</span>  <span class="keywordflow">if</span> (flag != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno">  972</span>    <span class="comment">// ParseInternalRunDeathTestFlag() has performed all the necessary</span></div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno">  973</span>    <span class="comment">// processing.</span></div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno">  974</span>    set_write_fd(kFuchsiaReadPipeFd);</div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno">  975</span>    <span class="keywordflow">return</span> EXECUTE_TEST;</div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno">  976</span>  }</div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno">  977</span> </div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno">  978</span>  <span class="comment">// Flush the log buffers since the log streams are shared with the child.</span></div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno">  979</span>  FlushInfoLog();</div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno">  980</span> </div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno">  981</span>  <span class="comment">// Build the child process command line.</span></div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno">  982</span>  <span class="keyword">const</span> std::string filter_flag = std::string(<span class="stringliteral">&quot;--&quot;</span>) + GTEST_FLAG_PREFIX_ +</div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno">  983</span>                                  <span class="stringliteral">&quot;filter=&quot;</span> + info-&gt;test_suite_name() + <span class="stringliteral">&quot;.&quot;</span> +</div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno">  984</span>                                  info-&gt;name();</div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno">  985</span>  <span class="keyword">const</span> std::string internal_flag = std::string(<span class="stringliteral">&quot;--&quot;</span>) + GTEST_FLAG_PREFIX_ +</div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno">  986</span>                                    kInternalRunDeathTestFlag + <span class="stringliteral">&quot;=&quot;</span> + file_ +</div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno">  987</span>                                    <span class="stringliteral">&quot;|&quot;</span> + StreamableToString(line_) + <span class="stringliteral">&quot;|&quot;</span> +</div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno">  988</span>                                    StreamableToString(death_test_index);</div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno">  989</span>  Arguments args;</div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno">  990</span>  args.AddArguments(GetInjectableArgvs());</div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno">  991</span>  args.AddArgument(filter_flag.c_str());</div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno">  992</span>  args.AddArgument(internal_flag.c_str());</div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno">  993</span> </div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno">  994</span>  <span class="comment">// Build the pipe for communication with the child.</span></div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno">  995</span>  zx_status_t status;</div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno">  996</span>  zx_handle_t child_pipe_handle;</div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno">  997</span>  <span class="keywordtype">int</span> child_pipe_fd;</div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno">  998</span>  status = fdio_pipe_half(&amp;child_pipe_fd, &amp;child_pipe_handle);</div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno">  999</span>  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);</div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span>  set_read_fd(child_pipe_fd);</div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> </div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span>  <span class="comment">// Set the pipe handle for the child.</span></div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span>  fdio_spawn_action_t spawn_actions[2] = {};</div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span>  fdio_spawn_action_t* add_handle_action = &amp;spawn_actions[0];</div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span>  add_handle_action-&gt;action = FDIO_SPAWN_ACTION_ADD_HANDLE;</div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span>  add_handle_action-&gt;h.id = PA_HND(PA_FD, kFuchsiaReadPipeFd);</div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span>  add_handle_action-&gt;h.handle = child_pipe_handle;</div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> </div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span>  <span class="comment">// Create a socket pair will be used to receive the child process&#39; stderr.</span></div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span>  zx::socket stderr_producer_socket;</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span>  status = zx::socket::create(0, &amp;stderr_producer_socket, &amp;stderr_socket_);</div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span>  GTEST_DEATH_TEST_CHECK_(status &gt;= 0);</div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span>  <span class="keywordtype">int</span> stderr_producer_fd = -1;</div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span>  status =</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span>      fdio_fd_create(stderr_producer_socket.release(), &amp;stderr_producer_fd);</div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span>  GTEST_DEATH_TEST_CHECK_(status &gt;= 0);</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> </div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span>  <span class="comment">// Make the stderr socket nonblocking.</span></div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span>  GTEST_DEATH_TEST_CHECK_(fcntl(stderr_producer_fd, F_SETFL, 0) == 0);</div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> </div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span>  fdio_spawn_action_t* add_stderr_action = &amp;spawn_actions[1];</div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span>  add_stderr_action-&gt;action = FDIO_SPAWN_ACTION_CLONE_FD;</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span>  add_stderr_action-&gt;fd.local_fd = stderr_producer_fd;</div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span>  add_stderr_action-&gt;fd.target_fd = STDERR_FILENO;</div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> </div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span>  <span class="comment">// Create a child job.</span></div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span>  zx_handle_t child_job = ZX_HANDLE_INVALID;</div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span>  status = zx_job_create(zx_job_default(), 0, &amp;child_job);</div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span>  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span>  zx_policy_basic_t policy;</div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span>  policy.condition = ZX_POL_NEW_ANY;</div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span>  policy.policy = ZX_POL_ACTION_ALLOW;</div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span>  status = zx_job_set_policy(child_job, ZX_JOB_POL_RELATIVE, ZX_JOB_POL_BASIC,</div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span>                             &amp;policy, 1);</div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span>  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);</div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> </div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span>  <span class="comment">// Create an exception channel attached to the |child_job|, to allow</span></div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span>  <span class="comment">// us to suppress the system default exception handler from firing.</span></div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span>  status = zx_task_create_exception_channel(</div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span>      child_job, 0, exception_channel_.reset_and_get_address());</div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span>  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);</div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> </div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span>  <span class="comment">// Spawn the child process.</span></div>
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span>  status = fdio_spawn_etc(child_job, FDIO_SPAWN_CLONE_ALL, args.Argv()[0],</div>
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span>                          args.Argv(), <span class="keyword">nullptr</span>, 2, spawn_actions,</div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span>                          child_process_.reset_and_get_address(), <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span>  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);</div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> </div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span>  set_spawned(<span class="keyword">true</span>);</div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span>  <span class="keywordflow">return</span> OVERSEE_TEST;</div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span>}</div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> </div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span>std::string FuchsiaDeathTest::GetErrorLogs() { <span class="keywordflow">return</span> captured_stderr_; }</div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> </div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span><span class="preprocessor">#else  </span><span class="comment">// We are neither on Windows, nor on Fuchsia.</span></div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> </div>
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span><span class="comment">// ForkingDeathTest provides implementations for most of the abstract</span></div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span><span class="comment">// methods of the DeathTest interface.  Only the AssumeRole method is</span></div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span><span class="comment">// left undefined.</span></div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span><span class="keyword">class </span>ForkingDeathTest : <span class="keyword">public</span> DeathTestImpl {</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span>  ForkingDeathTest(<span class="keyword">const</span> <span class="keywordtype">char</span>* statement, Matcher&lt;const std::string&amp;&gt; matcher);</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> </div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span>  <span class="comment">// All of these virtual functions are inherited from DeathTest.</span></div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span>  <span class="keywordtype">int</span> Wait() <span class="keyword">override</span>;</div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> </div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span>  <span class="keywordtype">void</span> set_child_pid(pid_t child_pid) { child_pid_ = child_pid; }</div>
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> </div>
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span>  <span class="comment">// PID of child process during death test; 0 in the child process itself.</span></div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span>  pid_t child_pid_;</div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span>};</div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> </div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span><span class="comment">// Constructs a ForkingDeathTest.</span></div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span>ForkingDeathTest::ForkingDeathTest(<span class="keyword">const</span> <span class="keywordtype">char</span>* a_statement,</div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span>                                   Matcher&lt;const std::string&amp;&gt; matcher)</div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span>    : DeathTestImpl(a_statement, std::move(matcher)), child_pid_(-1) {}</div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> </div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span><span class="comment">// Waits for the child in a death test to exit, returning its exit</span></div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span><span class="comment">// status, or 0 if no child process exists.  As a side effect, sets the</span></div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span><span class="comment">// outcome data member.</span></div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span><span class="keywordtype">int</span> ForkingDeathTest::Wait() {</div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span>  <span class="keywordflow">if</span> (!spawned()) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> </div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span>  ReadAndInterpretStatusByte();</div>
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> </div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span>  <span class="keywordtype">int</span> status_value;</div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(waitpid(child_pid_, &amp;status_value, 0));</div>
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span>  set_status(status_value);</div>
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span>  <span class="keywordflow">return</span> status_value;</div>
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span>}</div>
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> </div>
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span><span class="comment">// A concrete death test class that forks, then immediately runs the test</span></div>
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span><span class="comment">// in the child process.</span></div>
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span><span class="keyword">class </span>NoExecDeathTest : <span class="keyword">public</span> ForkingDeathTest {</div>
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span>  NoExecDeathTest(<span class="keyword">const</span> <span class="keywordtype">char</span>* a_statement, Matcher&lt;const std::string&amp;&gt; matcher)</div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span>      : ForkingDeathTest(a_statement, std::move(matcher)) {}</div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span>  TestRole AssumeRole() <span class="keyword">override</span>;</div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span>};</div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> </div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span><span class="comment">// The AssumeRole process for a fork-and-run death test.  It implements a</span></div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span><span class="comment">// straightforward fork, with a simple pipe to transmit the status byte.</span></div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span>DeathTest::TestRole NoExecDeathTest::AssumeRole() {</div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> thread_count = GetThreadCount();</div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">if</span> (thread_count != 1) {</div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span>    GTEST_LOG_(WARNING) &lt;&lt; DeathTestThreadWarning(thread_count);</div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span>  }</div>
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> </div>
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span>  <span class="keywordtype">int</span> pipe_fd[2];</div>
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span>  GTEST_DEATH_TEST_CHECK_(pipe(pipe_fd) != -1);</div>
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> </div>
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span>  DeathTest::set_last_death_test_message(<span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span>  CaptureStderr();</div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span>  <span class="comment">// When we fork the process below, the log file buffers are copied, but the</span></div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span>  <span class="comment">// file descriptors are shared.  We flush all log files here so that closing</span></div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span>  <span class="comment">// the file descriptors in the child process doesn&#39;t throw off the</span></div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span>  <span class="comment">// synchronization between descriptors and buffers in the parent process.</span></div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span>  <span class="comment">// This is as close to the fork as possible to avoid a race condition in case</span></div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span>  <span class="comment">// there are multiple threads running before the death test, and another</span></div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span>  <span class="comment">// thread writes to the log file.</span></div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span>  FlushInfoLog();</div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> </div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span>  <span class="keyword">const</span> pid_t child_pid = fork();</div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span>  GTEST_DEATH_TEST_CHECK_(child_pid != -1);</div>
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span>  set_child_pid(child_pid);</div>
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span>  <span class="keywordflow">if</span> (child_pid == 0) {</div>
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span>    GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[0]));</div>
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span>    set_write_fd(pipe_fd[1]);</div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span>    <span class="comment">// Redirects all logging to stderr in the child process to prevent</span></div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span>    <span class="comment">// concurrent writes to the log files.  We capture stderr in the parent</span></div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span>    <span class="comment">// process and append the child process&#39; output to a log.</span></div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span>    LogToStderr();</div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span>    <span class="comment">// Event forwarding to the listeners of event listener API mush be shut</span></div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span>    <span class="comment">// down in death test subprocesses.</span></div>
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span>    GetUnitTestImpl()-&gt;listeners()-&gt;SuppressEventForwarding();</div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span>    g_in_fast_death_test_child = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span>    <span class="keywordflow">return</span> EXECUTE_TEST;</div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span>    GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[1]));</div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span>    set_read_fd(pipe_fd[0]);</div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span>    set_spawned(<span class="keyword">true</span>);</div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span>    <span class="keywordflow">return</span> OVERSEE_TEST;</div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span>  }</div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span>}</div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> </div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span><span class="comment">// A concrete death test class that forks and re-executes the main</span></div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span><span class="comment">// program from the beginning, with command-line flags set that cause</span></div>
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span><span class="comment">// only this specific death test to be run.</span></div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span><span class="keyword">class </span>ExecDeathTest : <span class="keyword">public</span> ForkingDeathTest {</div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span>  ExecDeathTest(<span class="keyword">const</span> <span class="keywordtype">char</span>* a_statement, Matcher&lt;const std::string&amp;&gt; matcher,</div>
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span>                <span class="keyword">const</span> <span class="keywordtype">char</span>* file, <span class="keywordtype">int</span> line)</div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span>      : ForkingDeathTest(a_statement, std::move(matcher)),</div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span>        file_(file),</div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span>        line_(line) {}</div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span>  TestRole AssumeRole() <span class="keyword">override</span>;</div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> </div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span>  static ::std::vector&lt;std::string&gt; GetArgvsForDeathTestChildProcess() {</div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span>    ::std::vector&lt;std::string&gt; args = GetInjectableArgvs();</div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span><span class="preprocessor">#if defined(GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_)</span></div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span>    ::std::vector&lt;std::string&gt; extra_args =</div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span>        GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_();</div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span>    args.insert(args.end(), extra_args.begin(), extra_args.end());</div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span><span class="preprocessor">#endif  </span><span class="comment">// defined(GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_)</span></div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span>    <span class="keywordflow">return</span> args;</div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span>  }</div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span>  <span class="comment">// The name of the file in which the death test is located.</span></div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file_;</div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span>  <span class="comment">// The line number on which the death test is located.</span></div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> line_;</div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span>};</div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> </div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span><span class="comment">// Utility class for accumulating command-line arguments.</span></div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span><span class="keyword">class </span>Arguments {</div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span>  Arguments() { args_.push_back(<span class="keyword">nullptr</span>); }</div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> </div>
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span>  ~Arguments() {</div>
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span>    <span class="keywordflow">for</span> (std::vector&lt;char*&gt;::iterator i = args_.begin(); i != args_.end();</div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span>         ++i) {</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span>      free(*i);</div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span>    }</div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span>  }</div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span>  <span class="keywordtype">void</span> AddArgument(<span class="keyword">const</span> <span class="keywordtype">char</span>* argument) {</div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span>    args_.insert(args_.end() - 1, posix::StrDup(argument));</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span>  }</div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> </div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span>  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Str&gt;</div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span>  <span class="keywordtype">void</span> AddArguments(const ::std::vector&lt;Str&gt;&amp; arguments) {</div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span>    <span class="keywordflow">for</span> (typename ::std::vector&lt;Str&gt;::const_iterator i = arguments.begin();</div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span>         i != arguments.end(); ++i) {</div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span>      args_.insert(args_.end() - 1, posix::StrDup(i-&gt;c_str()));</div>
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span>    }</div>
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span>  }</div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span>  <span class="keywordtype">char</span>* <span class="keyword">const</span>* Argv() { <span class="keywordflow">return</span> &amp;args_[0]; }</div>
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> </div>
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span>  std::vector&lt;char*&gt; args_;</div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span>};</div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> </div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span><span class="comment">// A struct that encompasses the arguments to the child process of a</span></div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span><span class="comment">// threadsafe-style death test process.</span></div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span><span class="keyword">struct </span>ExecDeathTestArgs {</div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span>  <span class="keywordtype">char</span>* <span class="keyword">const</span>* argv;  <span class="comment">// Command-line arguments for the child&#39;s call to exec</span></div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span>  <span class="keywordtype">int</span> close_fd;       <span class="comment">// File descriptor to close; the read end of a pipe</span></div>
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span>};</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> </div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span><span class="preprocessor">#if GTEST_OS_QNX</span></div>
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> <span class="keywordtype">char</span>** environ;</div>
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span><span class="preprocessor">#else   </span><span class="comment">// GTEST_OS_QNX</span></div>
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span><span class="comment">// The main function for a threadsafe-style death test child process.</span></div>
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span><span class="comment">// This function is called in a clone()-ed process and thus must avoid</span></div>
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span><span class="comment">// any potentially unsafe operations like malloc or libc functions.</span></div>
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span><span class="keyword">static</span> <span class="keywordtype">int</span> ExecDeathTestChildMain(<span class="keywordtype">void</span>* child_arg) {</div>
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span>  ExecDeathTestArgs* <span class="keyword">const</span> args = <span class="keyword">static_cast&lt;</span>ExecDeathTestArgs*<span class="keyword">&gt;</span>(child_arg);</div>
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(close(args-&gt;close_fd));</div>
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> </div>
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span>  <span class="comment">// We need to execute the test program in the same environment where</span></div>
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span>  <span class="comment">// it was originally invoked.  Therefore we change to the original</span></div>
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span>  <span class="comment">// working directory first.</span></div>
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> original_dir =</div>
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span>      UnitTest::GetInstance()-&gt;original_working_dir();</div>
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span>  <span class="comment">// We can safely call chdir() as it&#39;s a direct system call.</span></div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span>  <span class="keywordflow">if</span> (chdir(original_dir) != 0) {</div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span>    DeathTestAbort(std::string(<span class="stringliteral">&quot;chdir(\&quot;&quot;</span>) + original_dir +</div>
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span>                   <span class="stringliteral">&quot;\&quot;) failed: &quot;</span> + GetLastErrnoDescription());</div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span>    <span class="keywordflow">return</span> EXIT_FAILURE;</div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span>  }</div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> </div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span>  <span class="comment">// We can safely call execv() as it&#39;s almost a direct system call. We</span></div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span>  <span class="comment">// cannot use execvp() as it&#39;s a libc function and thus potentially</span></div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span>  <span class="comment">// unsafe.  Since execv() doesn&#39;t search the PATH, the user must</span></div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span>  <span class="comment">// invoke the test program via a valid path that contains at least</span></div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span>  <span class="comment">// one path separator.</span></div>
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span>  execv(args-&gt;argv[0], args-&gt;argv);</div>
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span>  DeathTestAbort(std::string(<span class="stringliteral">&quot;execv(&quot;</span>) + args-&gt;argv[0] + <span class="stringliteral">&quot;, ...) in &quot;</span> +</div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span>                 original_dir + <span class="stringliteral">&quot; failed: &quot;</span> + GetLastErrnoDescription());</div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span>  <span class="keywordflow">return</span> EXIT_FAILURE;</div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span>}</div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_QNX</span></div>
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> </div>
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span><span class="preprocessor">#if GTEST_HAS_CLONE</span></div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span><span class="comment">// Two utility routines that together determine the direction the stack</span></div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span><span class="comment">// grows.</span></div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span><span class="comment">// This could be accomplished more elegantly by a single recursive</span></div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span><span class="comment">// function, but we want to guard against the unlikely possibility of</span></div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span><span class="comment">// a smart compiler optimizing the recursion away.</span></div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span><span class="comment">//</span></div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span><span class="comment">// GTEST_NO_INLINE_ is required to prevent GCC 4.6 from inlining</span></div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span><span class="comment">// StackLowerThanAddress into StackGrowsDown, which then doesn&#39;t give</span></div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span><span class="comment">// correct answer.</span></div>
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span><span class="keyword">static</span> <span class="keywordtype">void</span> StackLowerThanAddress(<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr,</div>
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span>                                  <span class="keywordtype">bool</span>* result) GTEST_NO_INLINE_;</div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span><span class="comment">// Make sure sanitizers do not tamper with the stack here.</span></div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span><span class="comment">// Ideally, we want to use `__builtin_frame_address` instead of a local variable</span></div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span><span class="comment">// address with sanitizer disabled, but it does not work when the</span></div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span><span class="comment">// compiler optimizes the stack frame out, which happens on PowerPC targets.</span></div>
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span><span class="comment">// HWAddressSanitizer add a random tag to the MSB of the local variable address,</span></div>
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span><span class="comment">// making comparison result unpredictable.</span></div>
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span>GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_</div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span>GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_</div>
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span><span class="keyword">static</span> <span class="keywordtype">void</span> StackLowerThanAddress(<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr, <span class="keywordtype">bool</span>* result) {</div>
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span>  <span class="keywordtype">int</span> dummy = 0;</div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span>  *result = std::less&lt;const void*&gt;()(&amp;dummy, ptr);</div>
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span>}</div>
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> </div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span><span class="comment">// Make sure AddressSanitizer does not tamper with the stack here.</span></div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span>GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_</div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span>GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_</div>
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span><span class="keyword">static</span> <span class="keywordtype">bool</span> StackGrowsDown() {</div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span>  <span class="keywordtype">int</span> dummy = 0;</div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span>  <span class="keywordtype">bool</span> result;</div>
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span>  StackLowerThanAddress(&amp;dummy, &amp;result);</div>
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span>}</div>
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_HAS_CLONE</span></div>
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> </div>
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span><span class="comment">// Spawns a child process with the same executable as the current process in</span></div>
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span><span class="comment">// a thread-safe manner and instructs it to run the death test.  The</span></div>
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span><span class="comment">// implementation uses fork(2) + exec.  On systems where clone(2) is</span></div>
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span><span class="comment">// available, it is used instead, being slightly more thread-safe.  On QNX,</span></div>
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span><span class="comment">// fork supports only single-threaded environments, so this function uses</span></div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span><span class="comment">// spawn(2) there instead.  The function dies with an error message if</span></div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span><span class="comment">// anything goes wrong.</span></div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span><span class="keyword">static</span> pid_t ExecDeathTestSpawnChild(<span class="keywordtype">char</span>* <span class="keyword">const</span>* argv, <span class="keywordtype">int</span> close_fd) {</div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span>  ExecDeathTestArgs args = {argv, close_fd};</div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span>  pid_t child_pid = -1;</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> </div>
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span><span class="preprocessor">#if GTEST_OS_QNX</span></div>
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span>  <span class="comment">// Obtains the current directory and sets it to be closed in the child</span></div>
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span>  <span class="comment">// process.</span></div>
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> cwd_fd = open(<span class="stringliteral">&quot;.&quot;</span>, O_RDONLY);</div>
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span>  GTEST_DEATH_TEST_CHECK_(cwd_fd != -1);</div>
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(fcntl(cwd_fd, F_SETFD, FD_CLOEXEC));</div>
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span>  <span class="comment">// We need to execute the test program in the same environment where</span></div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span>  <span class="comment">// it was originally invoked.  Therefore we change to the original</span></div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span>  <span class="comment">// working directory first.</span></div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> original_dir =</div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span>      UnitTest::GetInstance()-&gt;original_working_dir();</div>
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span>  <span class="comment">// We can safely call chdir() as it&#39;s a direct system call.</span></div>
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span>  <span class="keywordflow">if</span> (chdir(original_dir) != 0) {</div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span>    DeathTestAbort(std::string(<span class="stringliteral">&quot;chdir(\&quot;&quot;</span>) + original_dir +</div>
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span>                   <span class="stringliteral">&quot;\&quot;) failed: &quot;</span> + GetLastErrnoDescription());</div>
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span>    <span class="keywordflow">return</span> EXIT_FAILURE;</div>
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span>  }</div>
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span> </div>
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span>  <span class="keywordtype">int</span> fd_flags;</div>
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span>  <span class="comment">// Set close_fd to be closed after spawn.</span></div>
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(fd_flags = fcntl(close_fd, F_GETFD));</div>
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(</div>
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span>      fcntl(close_fd, F_SETFD, fd_flags | FD_CLOEXEC));</div>
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span>  <span class="keyword">struct </span>inheritance inherit = {0};</div>
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span>  <span class="comment">// spawn is a system call.</span></div>
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span>  child_pid = spawn(args.argv[0], 0, <span class="keyword">nullptr</span>, &amp;inherit, args.argv, environ);</div>
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span>  <span class="comment">// Restores the current working directory.</span></div>
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span>  GTEST_DEATH_TEST_CHECK_(fchdir(cwd_fd) != -1);</div>
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(close(cwd_fd));</div>
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span> </div>
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span><span class="preprocessor">#else  </span><span class="comment">// GTEST_OS_QNX</span></div>
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span><span class="preprocessor">#if GTEST_OS_LINUX</span></div>
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span>  <span class="comment">// When a SIGPROF signal is received while fork() or clone() are executing,</span></div>
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span>  <span class="comment">// the process may hang. To avoid this, we ignore SIGPROF here and re-enable</span></div>
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span>  <span class="comment">// it after the call to fork()/clone() is complete.</span></div>
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span>  <span class="keyword">struct </span>sigaction saved_sigprof_action;</div>
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span>  <span class="keyword">struct </span>sigaction ignore_sigprof_action;</div>
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span>  memset(&amp;ignore_sigprof_action, 0, <span class="keyword">sizeof</span>(ignore_sigprof_action));</div>
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span>  sigemptyset(&amp;ignore_sigprof_action.sa_mask);</div>
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span>  ignore_sigprof_action.sa_handler = SIG_IGN;</div>
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(</div>
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span>      sigaction(SIGPROF, &amp;ignore_sigprof_action, &amp;saved_sigprof_action));</div>
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_LINUX</span></div>
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span> </div>
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span><span class="preprocessor">#if GTEST_HAS_CLONE</span></div>
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> use_fork = GTEST_FLAG_GET(death_test_use_fork);</div>
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span> </div>
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span>  <span class="keywordflow">if</span> (!use_fork) {</div>
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span>    <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> stack_grows_down = StackGrowsDown();</div>
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span>    <span class="keyword">const</span> <span class="keyword">auto</span> stack_size = <span class="keyword">static_cast&lt;</span><span class="keywordtype">size_t</span><span class="keyword">&gt;</span>(getpagesize() * 2);</div>
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span>    <span class="comment">// MMAP_ANONYMOUS is not defined on Mac, so we use MAP_ANON instead.</span></div>
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span>    <span class="keywordtype">void</span>* <span class="keyword">const</span> stack = mmap(<span class="keyword">nullptr</span>, stack_size, PROT_READ | PROT_WRITE,</div>
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span>                             MAP_ANON | MAP_PRIVATE, -1, 0);</div>
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span>    GTEST_DEATH_TEST_CHECK_(stack != MAP_FAILED);</div>
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span> </div>
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span>    <span class="comment">// Maximum stack alignment in bytes:  For a downward-growing stack, this</span></div>
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span>    <span class="comment">// amount is subtracted from size of the stack space to get an address</span></div>
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span>    <span class="comment">// that is within the stack space and is aligned on all systems we care</span></div>
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span>    <span class="comment">// about.  As far as I know there is no ABI with stack alignment greater</span></div>
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span>    <span class="comment">// than 64.  We assume stack and stack_size already have alignment of</span></div>
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span>    <span class="comment">// kMaxStackAlignment.</span></div>
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span>    <span class="keyword">const</span> <span class="keywordtype">size_t</span> kMaxStackAlignment = 64;</div>
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span>    <span class="keywordtype">void</span>* <span class="keyword">const</span> stack_top =</div>
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span>        <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(stack) +</div>
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span>        (stack_grows_down ? stack_size - kMaxStackAlignment : 0);</div>
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span>    GTEST_DEATH_TEST_CHECK_(</div>
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span>        <span class="keyword">static_cast&lt;</span><span class="keywordtype">size_t</span><span class="keyword">&gt;</span>(stack_size) &gt; kMaxStackAlignment &amp;&amp;</div>
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span>        <span class="keyword">reinterpret_cast&lt;</span>uintptr_t<span class="keyword">&gt;</span>(stack_top) % kMaxStackAlignment == 0);</div>
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span> </div>
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span>    child_pid = clone(&amp;ExecDeathTestChildMain, stack_top, SIGCHLD, &amp;args);</div>
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span> </div>
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span>    GTEST_DEATH_TEST_CHECK_(munmap(stack, stack_size) != -1);</div>
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span>  }</div>
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> use_fork = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_HAS_CLONE</span></div>
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span> </div>
<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span>  <span class="keywordflow">if</span> (use_fork &amp;&amp; (child_pid = fork()) == 0) {</div>
<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span>    ExecDeathTestChildMain(&amp;args);</div>
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span>    _exit(0);</div>
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span>  }</div>
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_QNX</span></div>
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span><span class="preprocessor">#if GTEST_OS_LINUX</span></div>
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(</div>
<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</span>      sigaction(SIGPROF, &amp;saved_sigprof_action, <span class="keyword">nullptr</span>));</div>
<div class="line"><a id="l01377" name="l01377"></a><span class="lineno"> 1377</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_LINUX</span></div>
<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span> </div>
<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"> 1379</span>  GTEST_DEATH_TEST_CHECK_(child_pid != -1);</div>
<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span>  <span class="keywordflow">return</span> child_pid;</div>
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span>}</div>
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span> </div>
<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span><span class="comment">// The AssumeRole process for a fork-and-exec death test.  It re-executes the</span></div>
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span><span class="comment">// main program from the beginning, setting the --gtest_filter</span></div>
<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span><span class="comment">// and --gtest_internal_run_death_test flags to cause only the current</span></div>
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span><span class="comment">// death test to be re-run.</span></div>
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span>DeathTest::TestRole ExecDeathTest::AssumeRole() {</div>
<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span>  <span class="keyword">const</span> <a class="code hl_class" href="class_unit_test_impl.html">UnitTestImpl</a>* <span class="keyword">const</span> impl = GetUnitTestImpl();</div>
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span>  <span class="keyword">const</span> InternalRunDeathTestFlag* <span class="keyword">const</span> flag =</div>
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</span>      impl-&gt;internal_run_death_test_flag();</div>
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span>  <span class="keyword">const</span> <a class="code hl_class" href="class_test_info.html">TestInfo</a>* <span class="keyword">const</span> info = impl-&gt;current_test_info();</div>
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> death_test_index = info-&gt;result()-&gt;death_test_count();</div>
<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span> </div>
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span>  <span class="keywordflow">if</span> (flag != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span>    set_write_fd(flag-&gt;write_fd());</div>
<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span>    <span class="keywordflow">return</span> EXECUTE_TEST;</div>
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span>  }</div>
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span> </div>
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span>  <span class="keywordtype">int</span> pipe_fd[2];</div>
<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span>  GTEST_DEATH_TEST_CHECK_(pipe(pipe_fd) != -1);</div>
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span>  <span class="comment">// Clear the close-on-exec flag on the write end of the pipe, lest</span></div>
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span>  <span class="comment">// it be closed when the child process does an exec:</span></div>
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"> 1403</span>  GTEST_DEATH_TEST_CHECK_(fcntl(pipe_fd[1], F_SETFD, 0) != -1);</div>
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span> </div>
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span>  <span class="keyword">const</span> std::string filter_flag = std::string(<span class="stringliteral">&quot;--&quot;</span>) + GTEST_FLAG_PREFIX_ +</div>
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span>                                  <span class="stringliteral">&quot;filter=&quot;</span> + info-&gt;test_suite_name() + <span class="stringliteral">&quot;.&quot;</span> +</div>
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span>                                  info-&gt;name();</div>
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span>  <span class="keyword">const</span> std::string internal_flag = std::string(<span class="stringliteral">&quot;--&quot;</span>) + GTEST_FLAG_PREFIX_ +</div>
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span>                                    <span class="stringliteral">&quot;internal_run_death_test=&quot;</span> + file_ + <span class="stringliteral">&quot;|&quot;</span> +</div>
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span>                                    StreamableToString(line_) + <span class="stringliteral">&quot;|&quot;</span> +</div>
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span>                                    StreamableToString(death_test_index) + <span class="stringliteral">&quot;|&quot;</span> +</div>
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span>                                    StreamableToString(pipe_fd[1]);</div>
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span>  Arguments args;</div>
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span>  args.AddArguments(GetArgvsForDeathTestChildProcess());</div>
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span>  args.AddArgument(filter_flag.c_str());</div>
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span>  args.AddArgument(internal_flag.c_str());</div>
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span> </div>
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span>  DeathTest::set_last_death_test_message(<span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span> </div>
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span>  CaptureStderr();</div>
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span>  <span class="comment">// See the comment in NoExecDeathTest::AssumeRole for why the next line</span></div>
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span>  <span class="comment">// is necessary.</span></div>
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span>  FlushInfoLog();</div>
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span> </div>
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span>  <span class="keyword">const</span> pid_t child_pid = ExecDeathTestSpawnChild(args.Argv(), pipe_fd[0]);</div>
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span>  GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[1]));</div>
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span>  set_child_pid(child_pid);</div>
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span>  set_read_fd(pipe_fd[0]);</div>
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span>  set_spawned(<span class="keyword">true</span>);</div>
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span>  <span class="keywordflow">return</span> OVERSEE_TEST;</div>
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span>}</div>
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> </div>
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span><span class="preprocessor">#endif  </span><span class="comment">// !GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span> </div>
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span><span class="comment">// Creates a concrete DeathTest-derived class that depends on the</span></div>
<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span><span class="comment">// --gtest_death_test_style flag, and sets the pointer pointed to</span></div>
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span><span class="comment">// by the &quot;test&quot; argument to its address.  If the test should be</span></div>
<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span><span class="comment">// skipped, sets that pointer to NULL.  Returns true, unless the</span></div>
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span><span class="comment">// flag is set to an invalid value.</span></div>
<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span><span class="keywordtype">bool</span> DefaultDeathTestFactory::Create(<span class="keyword">const</span> <span class="keywordtype">char</span>* statement,</div>
<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span>                                     <a class="code hl_class" href="class_matcher.html">Matcher&lt;const std::string&amp;&gt;</a> matcher,</div>
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span>                                     <span class="keyword">const</span> <span class="keywordtype">char</span>* file, <span class="keywordtype">int</span> line,</div>
<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span>                                     DeathTest** test) {</div>
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span>  <a class="code hl_class" href="class_unit_test_impl.html">UnitTestImpl</a>* <span class="keyword">const</span> impl = GetUnitTestImpl();</div>
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span>  <span class="keyword">const</span> InternalRunDeathTestFlag* <span class="keyword">const</span> flag =</div>
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span>      impl-&gt;internal_run_death_test_flag();</div>
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> death_test_index =</div>
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span>      impl-&gt;current_test_info()-&gt;increment_death_test_count();</div>
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span> </div>
<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"> 1450</span>  <span class="keywordflow">if</span> (flag != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span>    <span class="keywordflow">if</span> (death_test_index &gt; flag-&gt;index()) {</div>
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span>      DeathTest::set_last_death_test_message(</div>
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span>          <span class="stringliteral">&quot;Death test count (&quot;</span> + StreamableToString(death_test_index) +</div>
<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</span>          <span class="stringliteral">&quot;) somehow exceeded expected maximum (&quot;</span> +</div>
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span>          StreamableToString(flag-&gt;index()) + <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"> 1456</span>      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span>    }</div>
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span> </div>
<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span>    <span class="keywordflow">if</span> (!(flag-&gt;file() == file &amp;&amp; flag-&gt;line() == line &amp;&amp;</div>
<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span>          flag-&gt;index() == death_test_index)) {</div>
<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span>      *test = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span>      <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span>    }</div>
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span>  }</div>
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> </div>
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span><span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> </div>
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span>  <span class="keywordflow">if</span> (GTEST_FLAG_GET(death_test_style) == <span class="stringliteral">&quot;threadsafe&quot;</span> ||</div>
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span>      GTEST_FLAG_GET(death_test_style) == <span class="stringliteral">&quot;fast&quot;</span>) {</div>
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span>    *test = <span class="keyword">new</span> WindowsDeathTest(statement, std::move(matcher), file, line);</div>
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span>  }</div>
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span> </div>
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span><span class="preprocessor">#elif GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</span> </div>
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span>  <span class="keywordflow">if</span> (GTEST_FLAG_GET(death_test_style) == <span class="stringliteral">&quot;threadsafe&quot;</span> ||</div>
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"> 1476</span>      GTEST_FLAG_GET(death_test_style) == <span class="stringliteral">&quot;fast&quot;</span>) {</div>
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span>    *test = <span class="keyword">new</span> FuchsiaDeathTest(statement, std::move(matcher), file, line);</div>
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span>  }</div>
<div class="line"><a id="l01479" name="l01479"></a><span class="lineno"> 1479</span> </div>
<div class="line"><a id="l01480" name="l01480"></a><span class="lineno"> 1480</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l01481" name="l01481"></a><span class="lineno"> 1481</span> </div>
<div class="line"><a id="l01482" name="l01482"></a><span class="lineno"> 1482</span>  <span class="keywordflow">if</span> (GTEST_FLAG_GET(death_test_style) == <span class="stringliteral">&quot;threadsafe&quot;</span>) {</div>
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span>    *test = <span class="keyword">new</span> ExecDeathTest(statement, std::move(matcher), file, line);</div>
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (GTEST_FLAG_GET(death_test_style) == <span class="stringliteral">&quot;fast&quot;</span>) {</div>
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span>    *test = <span class="keyword">new</span> NoExecDeathTest(statement, std::move(matcher));</div>
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</span>  }</div>
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"> 1487</span> </div>
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span> </div>
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"> 1490</span>  <span class="keywordflow">else</span> {  <span class="comment">// NOLINT - this is more readable than unbalanced brackets inside #if.</span></div>
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span>    DeathTest::set_last_death_test_message(<span class="stringliteral">&quot;Unknown death test style \&quot;&quot;</span> +</div>
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span>                                           GTEST_FLAG_GET(death_test_style) +</div>
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"> 1493</span>                                           <span class="stringliteral">&quot;\&quot; encountered&quot;</span>);</div>
<div class="line"><a id="l01494" name="l01494"></a><span class="lineno"> 1494</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"> 1495</span>  }</div>
<div class="line"><a id="l01496" name="l01496"></a><span class="lineno"> 1496</span> </div>
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span>}</div>
<div class="line"><a id="l01499" name="l01499"></a><span class="lineno"> 1499</span> </div>
<div class="line"><a id="l01500" name="l01500"></a><span class="lineno"> 1500</span><span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l01501" name="l01501"></a><span class="lineno"> 1501</span><span class="comment">// Recreates the pipe and event handles from the provided parameters,</span></div>
<div class="line"><a id="l01502" name="l01502"></a><span class="lineno"> 1502</span><span class="comment">// signals the event, and returns a file descriptor wrapped around the pipe</span></div>
<div class="line"><a id="l01503" name="l01503"></a><span class="lineno"> 1503</span><span class="comment">// handle. This function is called in the child process only.</span></div>
<div class="line"><a id="l01504" name="l01504"></a><span class="lineno"> 1504</span><span class="keyword">static</span> <span class="keywordtype">int</span> GetStatusFileDescriptor(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> parent_process_id,</div>
<div class="line"><a id="l01505" name="l01505"></a><span class="lineno"> 1505</span>                                   <span class="keywordtype">size_t</span> write_handle_as_size_t,</div>
<div class="line"><a id="l01506" name="l01506"></a><span class="lineno"> 1506</span>                                   <span class="keywordtype">size_t</span> event_handle_as_size_t) {</div>
<div class="line"><a id="l01507" name="l01507"></a><span class="lineno"> 1507</span>  AutoHandle parent_process_handle(::OpenProcess(PROCESS_DUP_HANDLE,</div>
<div class="line"><a id="l01508" name="l01508"></a><span class="lineno"> 1508</span>                                                 FALSE,  <span class="comment">// Non-inheritable.</span></div>
<div class="line"><a id="l01509" name="l01509"></a><span class="lineno"> 1509</span>                                                 parent_process_id));</div>
<div class="line"><a id="l01510" name="l01510"></a><span class="lineno"> 1510</span>  <span class="keywordflow">if</span> (parent_process_handle.Get() == INVALID_HANDLE_VALUE) {</div>
<div class="line"><a id="l01511" name="l01511"></a><span class="lineno"> 1511</span>    DeathTestAbort(<span class="stringliteral">&quot;Unable to open parent process &quot;</span> +</div>
<div class="line"><a id="l01512" name="l01512"></a><span class="lineno"> 1512</span>                   StreamableToString(parent_process_id));</div>
<div class="line"><a id="l01513" name="l01513"></a><span class="lineno"> 1513</span>  }</div>
<div class="line"><a id="l01514" name="l01514"></a><span class="lineno"> 1514</span> </div>
<div class="line"><a id="l01515" name="l01515"></a><span class="lineno"> 1515</span>  GTEST_CHECK_(<span class="keyword">sizeof</span>(HANDLE) &lt;= <span class="keyword">sizeof</span>(<span class="keywordtype">size_t</span>));</div>
<div class="line"><a id="l01516" name="l01516"></a><span class="lineno"> 1516</span> </div>
<div class="line"><a id="l01517" name="l01517"></a><span class="lineno"> 1517</span>  <span class="keyword">const</span> HANDLE write_handle = <span class="keyword">reinterpret_cast&lt;</span>HANDLE<span class="keyword">&gt;</span>(write_handle_as_size_t);</div>
<div class="line"><a id="l01518" name="l01518"></a><span class="lineno"> 1518</span>  HANDLE dup_write_handle;</div>
<div class="line"><a id="l01519" name="l01519"></a><span class="lineno"> 1519</span> </div>
<div class="line"><a id="l01520" name="l01520"></a><span class="lineno"> 1520</span>  <span class="comment">// The newly initialized handle is accessible only in the parent</span></div>
<div class="line"><a id="l01521" name="l01521"></a><span class="lineno"> 1521</span>  <span class="comment">// process. To obtain one accessible within the child, we need to use</span></div>
<div class="line"><a id="l01522" name="l01522"></a><span class="lineno"> 1522</span>  <span class="comment">// DuplicateHandle.</span></div>
<div class="line"><a id="l01523" name="l01523"></a><span class="lineno"> 1523</span>  <span class="keywordflow">if</span> (!::DuplicateHandle(parent_process_handle.Get(), write_handle,</div>
<div class="line"><a id="l01524" name="l01524"></a><span class="lineno"> 1524</span>                         ::GetCurrentProcess(), &amp;dup_write_handle,</div>
<div class="line"><a id="l01525" name="l01525"></a><span class="lineno"> 1525</span>                         0x0,    <span class="comment">// Requested privileges ignored since</span></div>
<div class="line"><a id="l01526" name="l01526"></a><span class="lineno"> 1526</span>                                 <span class="comment">// DUPLICATE_SAME_ACCESS is used.</span></div>
<div class="line"><a id="l01527" name="l01527"></a><span class="lineno"> 1527</span>                         FALSE,  <span class="comment">// Request non-inheritable handler.</span></div>
<div class="line"><a id="l01528" name="l01528"></a><span class="lineno"> 1528</span>                         DUPLICATE_SAME_ACCESS)) {</div>
<div class="line"><a id="l01529" name="l01529"></a><span class="lineno"> 1529</span>    DeathTestAbort(<span class="stringliteral">&quot;Unable to duplicate the pipe handle &quot;</span> +</div>
<div class="line"><a id="l01530" name="l01530"></a><span class="lineno"> 1530</span>                   StreamableToString(write_handle_as_size_t) +</div>
<div class="line"><a id="l01531" name="l01531"></a><span class="lineno"> 1531</span>                   <span class="stringliteral">&quot; from the parent process &quot;</span> +</div>
<div class="line"><a id="l01532" name="l01532"></a><span class="lineno"> 1532</span>                   StreamableToString(parent_process_id));</div>
<div class="line"><a id="l01533" name="l01533"></a><span class="lineno"> 1533</span>  }</div>
<div class="line"><a id="l01534" name="l01534"></a><span class="lineno"> 1534</span> </div>
<div class="line"><a id="l01535" name="l01535"></a><span class="lineno"> 1535</span>  <span class="keyword">const</span> HANDLE event_handle = <span class="keyword">reinterpret_cast&lt;</span>HANDLE<span class="keyword">&gt;</span>(event_handle_as_size_t);</div>
<div class="line"><a id="l01536" name="l01536"></a><span class="lineno"> 1536</span>  HANDLE dup_event_handle;</div>
<div class="line"><a id="l01537" name="l01537"></a><span class="lineno"> 1537</span> </div>
<div class="line"><a id="l01538" name="l01538"></a><span class="lineno"> 1538</span>  <span class="keywordflow">if</span> (!::DuplicateHandle(parent_process_handle.Get(), event_handle,</div>
<div class="line"><a id="l01539" name="l01539"></a><span class="lineno"> 1539</span>                         ::GetCurrentProcess(), &amp;dup_event_handle, 0x0, FALSE,</div>
<div class="line"><a id="l01540" name="l01540"></a><span class="lineno"> 1540</span>                         DUPLICATE_SAME_ACCESS)) {</div>
<div class="line"><a id="l01541" name="l01541"></a><span class="lineno"> 1541</span>    DeathTestAbort(<span class="stringliteral">&quot;Unable to duplicate the event handle &quot;</span> +</div>
<div class="line"><a id="l01542" name="l01542"></a><span class="lineno"> 1542</span>                   StreamableToString(event_handle_as_size_t) +</div>
<div class="line"><a id="l01543" name="l01543"></a><span class="lineno"> 1543</span>                   <span class="stringliteral">&quot; from the parent process &quot;</span> +</div>
<div class="line"><a id="l01544" name="l01544"></a><span class="lineno"> 1544</span>                   StreamableToString(parent_process_id));</div>
<div class="line"><a id="l01545" name="l01545"></a><span class="lineno"> 1545</span>  }</div>
<div class="line"><a id="l01546" name="l01546"></a><span class="lineno"> 1546</span> </div>
<div class="line"><a id="l01547" name="l01547"></a><span class="lineno"> 1547</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> write_fd =</div>
<div class="line"><a id="l01548" name="l01548"></a><span class="lineno"> 1548</span>      ::_open_osfhandle(<span class="keyword">reinterpret_cast&lt;</span>intptr_t<span class="keyword">&gt;</span>(dup_write_handle), O_APPEND);</div>
<div class="line"><a id="l01549" name="l01549"></a><span class="lineno"> 1549</span>  <span class="keywordflow">if</span> (write_fd == -1) {</div>
<div class="line"><a id="l01550" name="l01550"></a><span class="lineno"> 1550</span>    DeathTestAbort(<span class="stringliteral">&quot;Unable to convert pipe handle &quot;</span> +</div>
<div class="line"><a id="l01551" name="l01551"></a><span class="lineno"> 1551</span>                   StreamableToString(write_handle_as_size_t) +</div>
<div class="line"><a id="l01552" name="l01552"></a><span class="lineno"> 1552</span>                   <span class="stringliteral">&quot; to a file descriptor&quot;</span>);</div>
<div class="line"><a id="l01553" name="l01553"></a><span class="lineno"> 1553</span>  }</div>
<div class="line"><a id="l01554" name="l01554"></a><span class="lineno"> 1554</span> </div>
<div class="line"><a id="l01555" name="l01555"></a><span class="lineno"> 1555</span>  <span class="comment">// Signals the parent that the write end of the pipe has been acquired</span></div>
<div class="line"><a id="l01556" name="l01556"></a><span class="lineno"> 1556</span>  <span class="comment">// so the parent can release its own write end.</span></div>
<div class="line"><a id="l01557" name="l01557"></a><span class="lineno"> 1557</span>  ::SetEvent(dup_event_handle);</div>
<div class="line"><a id="l01558" name="l01558"></a><span class="lineno"> 1558</span> </div>
<div class="line"><a id="l01559" name="l01559"></a><span class="lineno"> 1559</span>  <span class="keywordflow">return</span> write_fd;</div>
<div class="line"><a id="l01560" name="l01560"></a><span class="lineno"> 1560</span>}</div>
<div class="line"><a id="l01561" name="l01561"></a><span class="lineno"> 1561</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l01562" name="l01562"></a><span class="lineno"> 1562</span> </div>
<div class="line"><a id="l01563" name="l01563"></a><span class="lineno"> 1563</span><span class="comment">// Returns a newly created InternalRunDeathTestFlag object with fields</span></div>
<div class="line"><a id="l01564" name="l01564"></a><span class="lineno"> 1564</span><span class="comment">// initialized from the GTEST_FLAG(internal_run_death_test) flag if</span></div>
<div class="line"><a id="l01565" name="l01565"></a><span class="lineno"> 1565</span><span class="comment">// the flag is specified; otherwise returns NULL.</span></div>
<div class="line"><a id="l01566" name="l01566"></a><span class="lineno"> 1566</span>InternalRunDeathTestFlag* ParseInternalRunDeathTestFlag() {</div>
<div class="line"><a id="l01567" name="l01567"></a><span class="lineno"> 1567</span>  <span class="keywordflow">if</span> (GTEST_FLAG_GET(internal_run_death_test) == <span class="stringliteral">&quot;&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01568" name="l01568"></a><span class="lineno"> 1568</span> </div>
<div class="line"><a id="l01569" name="l01569"></a><span class="lineno"> 1569</span>  <span class="comment">// GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we</span></div>
<div class="line"><a id="l01570" name="l01570"></a><span class="lineno"> 1570</span>  <span class="comment">// can use it here.</span></div>
<div class="line"><a id="l01571" name="l01571"></a><span class="lineno"> 1571</span>  <span class="keywordtype">int</span> line = -1;</div>
<div class="line"><a id="l01572" name="l01572"></a><span class="lineno"> 1572</span>  <span class="keywordtype">int</span> index = -1;</div>
<div class="line"><a id="l01573" name="l01573"></a><span class="lineno"> 1573</span>  ::std::vector&lt; ::std::string&gt; fields;</div>
<div class="line"><a id="l01574" name="l01574"></a><span class="lineno"> 1574</span>  SplitString(GTEST_FLAG_GET(internal_run_death_test), <span class="charliteral">&#39;|&#39;</span>, &amp;fields);</div>
<div class="line"><a id="l01575" name="l01575"></a><span class="lineno"> 1575</span>  <span class="keywordtype">int</span> write_fd = -1;</div>
<div class="line"><a id="l01576" name="l01576"></a><span class="lineno"> 1576</span> </div>
<div class="line"><a id="l01577" name="l01577"></a><span class="lineno"> 1577</span><span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l01578" name="l01578"></a><span class="lineno"> 1578</span> </div>
<div class="line"><a id="l01579" name="l01579"></a><span class="lineno"> 1579</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> parent_process_id = 0;</div>
<div class="line"><a id="l01580" name="l01580"></a><span class="lineno"> 1580</span>  <span class="keywordtype">size_t</span> write_handle_as_size_t = 0;</div>
<div class="line"><a id="l01581" name="l01581"></a><span class="lineno"> 1581</span>  <span class="keywordtype">size_t</span> event_handle_as_size_t = 0;</div>
<div class="line"><a id="l01582" name="l01582"></a><span class="lineno"> 1582</span> </div>
<div class="line"><a id="l01583" name="l01583"></a><span class="lineno"> 1583</span>  <span class="keywordflow">if</span> (fields.size() != 6 || !ParseNaturalNumber(fields[1], &amp;line) ||</div>
<div class="line"><a id="l01584" name="l01584"></a><span class="lineno"> 1584</span>      !ParseNaturalNumber(fields[2], &amp;index) ||</div>
<div class="line"><a id="l01585" name="l01585"></a><span class="lineno"> 1585</span>      !ParseNaturalNumber(fields[3], &amp;parent_process_id) ||</div>
<div class="line"><a id="l01586" name="l01586"></a><span class="lineno"> 1586</span>      !ParseNaturalNumber(fields[4], &amp;write_handle_as_size_t) ||</div>
<div class="line"><a id="l01587" name="l01587"></a><span class="lineno"> 1587</span>      !ParseNaturalNumber(fields[5], &amp;event_handle_as_size_t)) {</div>
<div class="line"><a id="l01588" name="l01588"></a><span class="lineno"> 1588</span>    DeathTestAbort(<span class="stringliteral">&quot;Bad --gtest_internal_run_death_test flag: &quot;</span> +</div>
<div class="line"><a id="l01589" name="l01589"></a><span class="lineno"> 1589</span>                   GTEST_FLAG_GET(internal_run_death_test));</div>
<div class="line"><a id="l01590" name="l01590"></a><span class="lineno"> 1590</span>  }</div>
<div class="line"><a id="l01591" name="l01591"></a><span class="lineno"> 1591</span>  write_fd = GetStatusFileDescriptor(parent_process_id, write_handle_as_size_t,</div>
<div class="line"><a id="l01592" name="l01592"></a><span class="lineno"> 1592</span>                                     event_handle_as_size_t);</div>
<div class="line"><a id="l01593" name="l01593"></a><span class="lineno"> 1593</span> </div>
<div class="line"><a id="l01594" name="l01594"></a><span class="lineno"> 1594</span><span class="preprocessor">#elif GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l01595" name="l01595"></a><span class="lineno"> 1595</span> </div>
<div class="line"><a id="l01596" name="l01596"></a><span class="lineno"> 1596</span>  <span class="keywordflow">if</span> (fields.size() != 3 || !ParseNaturalNumber(fields[1], &amp;line) ||</div>
<div class="line"><a id="l01597" name="l01597"></a><span class="lineno"> 1597</span>      !ParseNaturalNumber(fields[2], &amp;index)) {</div>
<div class="line"><a id="l01598" name="l01598"></a><span class="lineno"> 1598</span>    DeathTestAbort(<span class="stringliteral">&quot;Bad --gtest_internal_run_death_test flag: &quot;</span> +</div>
<div class="line"><a id="l01599" name="l01599"></a><span class="lineno"> 1599</span>                   GTEST_FLAG_GET(internal_run_death_test));</div>
<div class="line"><a id="l01600" name="l01600"></a><span class="lineno"> 1600</span>  }</div>
<div class="line"><a id="l01601" name="l01601"></a><span class="lineno"> 1601</span> </div>
<div class="line"><a id="l01602" name="l01602"></a><span class="lineno"> 1602</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l01603" name="l01603"></a><span class="lineno"> 1603</span> </div>
<div class="line"><a id="l01604" name="l01604"></a><span class="lineno"> 1604</span>  <span class="keywordflow">if</span> (fields.size() != 4 || !ParseNaturalNumber(fields[1], &amp;line) ||</div>
<div class="line"><a id="l01605" name="l01605"></a><span class="lineno"> 1605</span>      !ParseNaturalNumber(fields[2], &amp;index) ||</div>
<div class="line"><a id="l01606" name="l01606"></a><span class="lineno"> 1606</span>      !ParseNaturalNumber(fields[3], &amp;write_fd)) {</div>
<div class="line"><a id="l01607" name="l01607"></a><span class="lineno"> 1607</span>    DeathTestAbort(<span class="stringliteral">&quot;Bad --gtest_internal_run_death_test flag: &quot;</span> +</div>
<div class="line"><a id="l01608" name="l01608"></a><span class="lineno"> 1608</span>                   GTEST_FLAG_GET(internal_run_death_test));</div>
<div class="line"><a id="l01609" name="l01609"></a><span class="lineno"> 1609</span>  }</div>
<div class="line"><a id="l01610" name="l01610"></a><span class="lineno"> 1610</span> </div>
<div class="line"><a id="l01611" name="l01611"></a><span class="lineno"> 1611</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l01612" name="l01612"></a><span class="lineno"> 1612</span> </div>
<div class="line"><a id="l01613" name="l01613"></a><span class="lineno"> 1613</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> InternalRunDeathTestFlag(fields[0], line, index, write_fd);</div>
<div class="line"><a id="l01614" name="l01614"></a><span class="lineno"> 1614</span>}</div>
<div class="line"><a id="l01615" name="l01615"></a><span class="lineno"> 1615</span> </div>
<div class="line"><a id="l01616" name="l01616"></a><span class="lineno"> 1616</span>}  <span class="comment">// namespace internal</span></div>
<div class="line"><a id="l01617" name="l01617"></a><span class="lineno"> 1617</span> </div>
<div class="line"><a id="l01618" name="l01618"></a><span class="lineno"> 1618</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l01619" name="l01619"></a><span class="lineno"> 1619</span> </div>
<div class="line"><a id="l01620" name="l01620"></a><span class="lineno"> 1620</span>}  <span class="comment">// namespace testing</span></div>
<div class="ttc" id="aclass_matcher_html"><div class="ttname"><a href="class_matcher.html">Matcher</a></div><div class="ttdef"><b>Definition</b> gmock-internal-utils.h:55</div></div>
<div class="ttc" id="aclass_test_info_html"><div class="ttname"><a href="class_test_info.html">TestInfo</a></div><div class="ttdef"><b>Definition</b> gtest.h:527</div></div>
<div class="ttc" id="aclass_unit_test_impl_html"><div class="ttname"><a href="class_unit_test_impl.html">UnitTestImpl</a></div><div class="ttdef"><b>Definition</b> gtest-internal-inl.h:504</div></div>
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